Home / 111,177.40-153,423.75-60,188.80

Finding the Fourth Proportional to 111,177.40, 153,423.75 and 60,188.80

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Solution

The fourth proportional to 111,177.40, 153,423.75 and 60,188.80 is: 83,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,177.40 : 153,423.75 = 60,188.80 : x
  2. Step 2: Convert to fraction form
    111,177.40/153,423.75 = 60,188.80/x
  3. Step 3: Cross multiply
    111,177.40x = 153,423.75 × 60,188.80
  4. Step 4: Simplify right side
    111,177.40x = 9,234,391,565.36
  5. Step 5: Solve for x
    x = 9,234,391,565.36/111,177.40
  6. Step 6: Final answer
    x = 83,059.97

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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.