Home / 156,432.33-215,875.94-84,812.13

Finding the Fourth Proportional to 156,432.33, 215,875.94 and 84,812.13

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Solution

The fourth proportional to 156,432.33, 215,875.94 and 84,812.13 is: 117,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,432.33 : 215,875.94 = 84,812.13 : x
  2. Step 2: Convert to fraction form
    156,432.33/215,875.94 = 84,812.13/x
  3. Step 3: Cross multiply
    156,432.33x = 215,875.94 × 84,812.13
  4. Step 4: Simplify right side
    156,432.33x = 18,308,897,863.09
  5. Step 5: Solve for x
    x = 18,308,897,863.09/156,432.33
  6. Step 6: Final answer
    x = 117,040.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.