Home / 156,215.04-215,575.04-84,593.28

Finding the Fourth Proportional to 156,215.04, 215,575.04 and 84,593.28

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Solution

The fourth proportional to 156,215.04, 215,575.04 and 84,593.28 is: 116,737.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,215.04 : 215,575.04 = 84,593.28 : x
  2. Step 2: Convert to fraction form
    156,215.04/215,575.04 = 84,593.28/x
  3. Step 3: Cross multiply
    156,215.04x = 215,575.04 × 84,593.28
  4. Step 4: Simplify right side
    156,215.04x = 18,236,199,719.73
  5. Step 5: Solve for x
    x = 18,236,199,719.73/156,215.04
  6. Step 6: Final answer
    x = 116,737.80

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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.