Home / 196,231.13-294,390.57-71,572.13

Finding the Fourth Proportional to 196,231.13, 294,390.57 and 71,572.13

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Solution

The fourth proportional to 196,231.13, 294,390.57 and 71,572.13 is: 107,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,231.13 : 294,390.57 = 71,572.13 : x
  2. Step 2: Convert to fraction form
    196,231.13/294,390.57 = 71,572.13/x
  3. Step 3: Cross multiply
    196,231.13x = 294,390.57 × 71,572.13
  4. Step 4: Simplify right side
    196,231.13x = 21,070,160,146.81
  5. Step 5: Solve for x
    x = 21,070,160,146.81/196,231.13
  6. Step 6: Final answer
    x = 107,374.20

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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.