Home / 111,236.05-153,505.37-60,248.65

Finding the Fourth Proportional to 111,236.05, 153,505.37 and 60,248.65

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Solution

The fourth proportional to 111,236.05, 153,505.37 and 60,248.65 is: 83,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,236.05 : 153,505.37 = 60,248.65 : x
  2. Step 2: Convert to fraction form
    111,236.05/153,505.37 = 60,248.65/x
  3. Step 3: Cross multiply
    111,236.05x = 153,505.37 × 60,248.65
  4. Step 4: Simplify right side
    111,236.05x = 9,248,491,364.93
  5. Step 5: Solve for x
    x = 9,248,491,364.93/111,236.05
  6. Step 6: Final answer
    x = 83,142.94

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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.