Home / 159,735.39-220,434.85-88,115.59

Finding the Fourth Proportional to 159,735.39, 220,434.85 and 88,115.59

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Solution

The fourth proportional to 159,735.39, 220,434.85 and 88,115.59 is: 121,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,735.39 : 220,434.85 = 88,115.59 : x
  2. Step 2: Convert to fraction form
    159,735.39/220,434.85 = 88,115.59/x
  3. Step 3: Cross multiply
    159,735.39x = 220,434.85 × 88,115.59
  4. Step 4: Simplify right side
    159,735.39x = 19,423,746,864.31
  5. Step 5: Solve for x
    x = 19,423,746,864.31/159,735.39
  6. Step 6: Final answer
    x = 121,599.52

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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.