Home / 102,211.13-153,348.11-52,326.25

Finding the Fourth Proportional to 102,211.13, 153,348.11 and 52,326.25

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Solution

The fourth proportional to 102,211.13, 153,348.11 and 52,326.25 is: 78,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211.13 : 153,348.11 = 52,326.25 : x
  2. Step 2: Convert to fraction form
    102,211.13/153,348.11 = 52,326.25/x
  3. Step 3: Cross multiply
    102,211.13x = 153,348.11 × 52,326.25
  4. Step 4: Simplify right side
    102,211.13x = 8,024,132,101.86
  5. Step 5: Solve for x
    x = 8,024,132,101.86/102,211.13
  6. Step 6: Final answer
    x = 78,505.46

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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.