Home / 111,178.31-153,426.13-60,191.05

Finding the Fourth Proportional to 111,178.31, 153,426.13 and 60,191.05

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Solution

The fourth proportional to 111,178.31, 153,426.13 and 60,191.05 is: 83,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,178.31 : 153,426.13 = 60,191.05 : x
  2. Step 2: Convert to fraction form
    111,178.31/153,426.13 = 60,191.05/x
  3. Step 3: Cross multiply
    111,178.31x = 153,426.13 × 60,191.05
  4. Step 4: Simplify right side
    111,178.31x = 9,234,879,862.14
  5. Step 5: Solve for x
    x = 9,234,879,862.14/111,178.31
  6. Step 6: Final answer
    x = 83,063.68

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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.