Home / 111,325.20-153,625.86-60,335.70

Finding the Fourth Proportional to 111,325.20, 153,625.86 and 60,335.70

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Solution

The fourth proportional to 111,325.20, 153,625.86 and 60,335.70 is: 83,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.20 : 153,625.86 = 60,335.70 : x
  2. Step 2: Convert to fraction form
    111,325.20/153,625.86 = 60,335.70/x
  3. Step 3: Cross multiply
    111,325.20x = 153,625.86 × 60,335.70
  4. Step 4: Simplify right side
    111,325.20x = 9,269,123,801.20
  5. Step 5: Solve for x
    x = 9,269,123,801.20/111,325.20
  6. Step 6: Final answer
    x = 83,261.69

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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.