Home / 160,103.39-220,940.66-87,505.92

Finding the Fourth Proportional to 160,103.39, 220,940.66 and 87,505.92

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Solution

The fourth proportional to 160,103.39, 220,940.66 and 87,505.92 is: 120,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103.39 : 220,940.66 = 87,505.92 : x
  2. Step 2: Convert to fraction form
    160,103.39/220,940.66 = 87,505.92/x
  3. Step 3: Cross multiply
    160,103.39x = 220,940.66 × 87,505.92
  4. Step 4: Simplify right side
    160,103.39x = 19,333,615,937.47
  5. Step 5: Solve for x
    x = 19,333,615,937.47/160,103.39
  6. Step 6: Final answer
    x = 120,757.07

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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.