Home / 111,138.52-153,369.96-60,150.04

Finding the Fourth Proportional to 111,138.52, 153,369.96 and 60,150.04

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Solution

The fourth proportional to 111,138.52, 153,369.96 and 60,150.04 is: 83,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,138.52 : 153,369.96 = 60,150.04 : x
  2. Step 2: Convert to fraction form
    111,138.52/153,369.96 = 60,150.04/x
  3. Step 3: Cross multiply
    111,138.52x = 153,369.96 × 60,150.04
  4. Step 4: Simplify right side
    111,138.52x = 9,225,209,228.80
  5. Step 5: Solve for x
    x = 9,225,209,228.80/111,138.52
  6. Step 6: Final answer
    x = 83,006.41

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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.