Home / 111,150.38-153,387.53-60,849.38

Finding the Fourth Proportional to 111,150.38, 153,387.53 and 60,849.38

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Solution

The fourth proportional to 111,150.38, 153,387.53 and 60,849.38 is: 83,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,150.38 : 153,387.53 = 60,849.38 : x
  2. Step 2: Convert to fraction form
    111,150.38/153,387.53 = 60,849.38/x
  3. Step 3: Cross multiply
    111,150.38x = 153,387.53 × 60,849.38
  4. Step 4: Simplify right side
    111,150.38x = 9,333,535,029.05
  5. Step 5: Solve for x
    x = 9,333,535,029.05/111,150.38
  6. Step 6: Final answer
    x = 83,972.14

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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.