Home / 111,178.90-153,425.76-60,190.27

Finding the Fourth Proportional to 111,178.90, 153,425.76 and 60,190.27

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Solution

The fourth proportional to 111,178.90, 153,425.76 and 60,190.27 is: 83,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.90 : 153,425.76 = 60,190.27 : x
  2. Step 2: Convert to fraction form
    111,178.90/153,425.76 = 60,190.27/x
  3. Step 3: Cross multiply
    111,178.90x = 153,425.76 × 60,190.27
  4. Step 4: Simplify right side
    111,178.90x = 9,234,738,511.67
  5. Step 5: Solve for x
    x = 9,234,738,511.67/111,178.90
  6. Step 6: Final answer
    x = 83,061.97

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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.