Home / 156,166.88-215,508.80-84,545.04

Finding the Fourth Proportional to 156,166.88, 215,508.80 and 84,545.04

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Solution

The fourth proportional to 156,166.88, 215,508.80 and 84,545.04 is: 116,671.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,166.88 : 215,508.80 = 84,545.04 : x
  2. Step 2: Convert to fraction form
    156,166.88/215,508.80 = 84,545.04/x
  3. Step 3: Cross multiply
    156,166.88x = 215,508.80 × 84,545.04
  4. Step 4: Simplify right side
    156,166.88x = 18,220,200,116.35
  5. Step 5: Solve for x
    x = 18,220,200,116.35/156,166.88
  6. Step 6: Final answer
    x = 116,671.35

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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.