Home / 105,505.39-145,614.34-60,198.11

Finding the Fourth Proportional to 105,505.39, 145,614.34 and 60,198.11

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Solution

The fourth proportional to 105,505.39, 145,614.34 and 60,198.11 is: 83,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505.39 : 145,614.34 = 60,198.11 : x
  2. Step 2: Convert to fraction form
    105,505.39/145,614.34 = 60,198.11/x
  3. Step 3: Cross multiply
    105,505.39x = 145,614.34 × 60,198.11
  4. Step 4: Simplify right side
    105,505.39x = 8,765,708,056.90
  5. Step 5: Solve for x
    x = 8,765,708,056.90/105,505.39
  6. Step 6: Final answer
    x = 83,083.04

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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.