Home / 102,452.15-153,678.23-27,572.46

Finding the Fourth Proportional to 102,452.15, 153,678.23 and 27,572.46

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Solution

The fourth proportional to 102,452.15, 153,678.23 and 27,572.46 is: 41,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,452.15 : 153,678.23 = 27,572.46 : x
  2. Step 2: Convert to fraction form
    102,452.15/153,678.23 = 27,572.46/x
  3. Step 3: Cross multiply
    102,452.15x = 153,678.23 × 27,572.46
  4. Step 4: Simplify right side
    102,452.15x = 4,237,286,849.55
  5. Step 5: Solve for x
    x = 4,237,286,849.55/102,452.15
  6. Step 6: Final answer
    x = 41,358.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.