Home / 156,113.13-215,436.10-84,493.14

Finding the Fourth Proportional to 156,113.13, 215,436.10 and 84,493.14

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Solution

The fourth proportional to 156,113.13, 215,436.10 and 84,493.14 is: 116,600.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,113.13 : 215,436.10 = 84,493.14 : x
  2. Step 2: Convert to fraction form
    156,113.13/215,436.10 = 84,493.14/x
  3. Step 3: Cross multiply
    156,113.13x = 215,436.10 × 84,493.14
  4. Step 4: Simplify right side
    156,113.13x = 18,202,872,558.35
  5. Step 5: Solve for x
    x = 18,202,872,558.35/156,113.13
  6. Step 6: Final answer
    x = 116,600.52

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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.