Home / 156,717.05-216,267.27-88,732.25

Finding the Fourth Proportional to 156,717.05, 216,267.27 and 88,732.25

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Solution

The fourth proportional to 156,717.05, 216,267.27 and 88,732.25 is: 122,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.05 : 216,267.27 = 88,732.25 : x
  2. Step 2: Convert to fraction form
    156,717.05/216,267.27 = 88,732.25/x
  3. Step 3: Cross multiply
    156,717.05x = 216,267.27 × 88,732.25
  4. Step 4: Simplify right side
    156,717.05x = 19,189,880,387.12
  5. Step 5: Solve for x
    x = 19,189,880,387.12/156,717.05
  6. Step 6: Final answer
    x = 122,449.22

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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.