Home / 111,372.85-153,695.58-60,385.45

Finding the Fourth Proportional to 111,372.85, 153,695.58 and 60,385.45

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Solution

The fourth proportional to 111,372.85, 153,695.58 and 60,385.45 is: 83,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,372.85 : 153,695.58 = 60,385.45 : x
  2. Step 2: Convert to fraction form
    111,372.85/153,695.58 = 60,385.45/x
  3. Step 3: Cross multiply
    111,372.85x = 153,695.58 × 60,385.45
  4. Step 4: Simplify right side
    111,372.85x = 9,280,976,761.31
  5. Step 5: Solve for x
    x = 9,280,976,761.31/111,372.85
  6. Step 6: Final answer
    x = 83,332.49

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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.