Home / 149,419.77-224,149.09-54,635.19

Finding the Fourth Proportional to 149,419.77, 224,149.09 and 54,635.19

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Solution

The fourth proportional to 149,419.77, 224,149.09 and 54,635.19 is: 81,959.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,419.77 : 224,149.09 = 54,635.19 : x
  2. Step 2: Convert to fraction form
    149,419.77/224,149.09 = 54,635.19/x
  3. Step 3: Cross multiply
    149,419.77x = 224,149.09 × 54,635.19
  4. Step 4: Simplify right side
    149,419.77x = 12,246,428,120.48
  5. Step 5: Solve for x
    x = 12,246,428,120.48/149,419.77
  6. Step 6: Final answer
    x = 81,959.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.