Home / 156,112.31-215,434.99-84,492.92

Finding the Fourth Proportional to 156,112.31, 215,434.99 and 84,492.92

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Solution

The fourth proportional to 156,112.31, 215,434.99 and 84,492.92 is: 116,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,112.31 : 215,434.99 = 84,492.92 : x
  2. Step 2: Convert to fraction form
    156,112.31/215,434.99 = 84,492.92/x
  3. Step 3: Cross multiply
    156,112.31x = 215,434.99 × 84,492.92
  4. Step 4: Simplify right side
    156,112.31x = 18,202,732,019.47
  5. Step 5: Solve for x
    x = 18,202,732,019.47/156,112.31
  6. Step 6: Final answer
    x = 116,600.23

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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.