Home / 111,338.25-153,642.67-60,349.88

Finding the Fourth Proportional to 111,338.25, 153,642.67 and 60,349.88

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Solution

The fourth proportional to 111,338.25, 153,642.67 and 60,349.88 is: 83,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,338.25 : 153,642.67 = 60,349.88 : x
  2. Step 2: Convert to fraction form
    111,338.25/153,642.67 = 60,349.88/x
  3. Step 3: Cross multiply
    111,338.25x = 153,642.67 × 60,349.88
  4. Step 4: Simplify right side
    111,338.25x = 9,272,316,930.61
  5. Step 5: Solve for x
    x = 9,272,316,930.61/111,338.25
  6. Step 6: Final answer
    x = 83,280.61

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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.