Home / 124,217.28-171,423.36-67,629.60

Finding the Fourth Proportional to 124,217.28, 171,423.36 and 67,629.60

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Solution

The fourth proportional to 124,217.28, 171,423.36 and 67,629.60 is: 93,330.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,217.28 : 171,423.36 = 67,629.60 : x
  2. Step 2: Convert to fraction form
    124,217.28/171,423.36 = 67,629.60/x
  3. Step 3: Cross multiply
    124,217.28x = 171,423.36 × 67,629.60
  4. Step 4: Simplify right side
    124,217.28x = 11,593,293,267.46
  5. Step 5: Solve for x
    x = 11,593,293,267.46/124,217.28
  6. Step 6: Final answer
    x = 93,330.76

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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.