Home / 156,125.04-215,486.28-98,727.72

Finding the Fourth Proportional to 156,125.04, 215,486.28 and 98,727.72

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Solution

The fourth proportional to 156,125.04, 215,486.28 and 98,727.72 is: 136,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.04 : 215,486.28 = 98,727.72 : x
  2. Step 2: Convert to fraction form
    156,125.04/215,486.28 = 98,727.72/x
  3. Step 3: Cross multiply
    156,125.04x = 215,486.28 × 98,727.72
  4. Step 4: Simplify right side
    156,125.04x = 21,274,469,115.68
  5. Step 5: Solve for x
    x = 21,274,469,115.68/156,125.04
  6. Step 6: Final answer
    x = 136,265.58

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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.