Home / 177,826.91-266,812.45-77,934.47

Finding the Fourth Proportional to 177,826.91, 266,812.45 and 77,934.47

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Solution

The fourth proportional to 177,826.91, 266,812.45 and 77,934.47 is: 116,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,826.91 : 266,812.45 = 77,934.47 : x
  2. Step 2: Convert to fraction form
    177,826.91/266,812.45 = 77,934.47/x
  3. Step 3: Cross multiply
    177,826.91x = 266,812.45 × 77,934.47
  4. Step 4: Simplify right side
    177,826.91x = 20,793,885,351.25
  5. Step 5: Solve for x
    x = 20,793,885,351.25/177,826.91
  6. Step 6: Final answer
    x = 116,933.29

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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.