Home / 156,541.26-216,026.92-89,486.22

Finding the Fourth Proportional to 156,541.26, 216,026.92 and 89,486.22

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Solution

The fourth proportional to 156,541.26, 216,026.92 and 89,486.22 is: 123,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,541.26 : 216,026.92 = 89,486.22 : x
  2. Step 2: Convert to fraction form
    156,541.26/216,026.92 = 89,486.22/x
  3. Step 3: Cross multiply
    156,541.26x = 216,026.92 × 89,486.22
  4. Step 4: Simplify right side
    156,541.26x = 19,331,432,489.04
  5. Step 5: Solve for x
    x = 19,331,432,489.04/156,541.26
  6. Step 6: Final answer
    x = 123,490.97

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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.