Home / 111,125.67-153,352.24-60,137.29

Finding the Fourth Proportional to 111,125.67, 153,352.24 and 60,137.29

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Solution

The fourth proportional to 111,125.67, 153,352.24 and 60,137.29 is: 82,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,125.67 : 153,352.24 = 60,137.29 : x
  2. Step 2: Convert to fraction form
    111,125.67/153,352.24 = 60,137.29/x
  3. Step 3: Cross multiply
    111,125.67x = 153,352.24 × 60,137.29
  4. Step 4: Simplify right side
    111,125.67x = 9,222,188,129.03
  5. Step 5: Solve for x
    x = 9,222,188,129.03/111,125.67
  6. Step 6: Final answer
    x = 82,988.82

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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.