Home / 111,180.39-153,427.89-60,191.79

Finding the Fourth Proportional to 111,180.39, 153,427.89 and 60,191.79

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Solution

The fourth proportional to 111,180.39, 153,427.89 and 60,191.79 is: 83,064.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,180.39 : 153,427.89 = 60,191.79 : x
  2. Step 2: Convert to fraction form
    111,180.39/153,427.89 = 60,191.79/x
  3. Step 3: Cross multiply
    111,180.39x = 153,427.89 × 60,191.79
  4. Step 4: Simplify right side
    111,180.39x = 9,235,099,335.02
  5. Step 5: Solve for x
    x = 9,235,099,335.02/111,180.39
  6. Step 6: Final answer
    x = 83,064.10

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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.