Home / 156,057.84-215,359.68-88,089.12

Finding the Fourth Proportional to 156,057.84, 215,359.68 and 88,089.12

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Solution

The fourth proportional to 156,057.84, 215,359.68 and 88,089.12 is: 121,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,057.84 : 215,359.68 = 88,089.12 : x
  2. Step 2: Convert to fraction form
    156,057.84/215,359.68 = 88,089.12/x
  3. Step 3: Cross multiply
    156,057.84x = 215,359.68 × 88,089.12
  4. Step 4: Simplify right side
    156,057.84x = 18,970,844,694.68
  5. Step 5: Solve for x
    x = 18,970,844,694.68/156,057.84
  6. Step 6: Final answer
    x = 121,562.91

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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.