Home / 113,083.29-156,074.85-84,545.91

Finding the Fourth Proportional to 113,083.29, 156,074.85 and 84,545.91

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Solution

The fourth proportional to 113,083.29, 156,074.85 and 84,545.91 is: 116,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,083.29 : 156,074.85 = 84,545.91 : x
  2. Step 2: Convert to fraction form
    113,083.29/156,074.85 = 84,545.91/x
  3. Step 3: Cross multiply
    113,083.29x = 156,074.85 × 84,545.91
  4. Step 4: Simplify right side
    113,083.29x = 13,195,490,221.36
  5. Step 5: Solve for x
    x = 13,195,490,221.36/113,083.29
  6. Step 6: Final answer
    x = 116,688.24

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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.