Home / 127,727.66-191,591.47-38,981.62

Finding the Fourth Proportional to 127,727.66, 191,591.47 and 38,981.62

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Solution

The fourth proportional to 127,727.66, 191,591.47 and 38,981.62 is: 58,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,727.66 : 191,591.47 = 38,981.62 : x
  2. Step 2: Convert to fraction form
    127,727.66/191,591.47 = 38,981.62/x
  3. Step 3: Cross multiply
    127,727.66x = 191,591.47 × 38,981.62
  4. Step 4: Simplify right side
    127,727.66x = 7,468,545,878.78
  5. Step 5: Solve for x
    x = 7,468,545,878.78/127,727.66
  6. Step 6: Final answer
    x = 58,472.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.