Home / 103,331.20-155,011.20-44,166.40

Finding the Fourth Proportional to 103,331.20, 155,011.20 and 44,166.40

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Solution

The fourth proportional to 103,331.20, 155,011.20 and 44,166.40 is: 66,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.20 : 155,011.20 = 44,166.40 : x
  2. Step 2: Convert to fraction form
    103,331.20/155,011.20 = 44,166.40/x
  3. Step 3: Cross multiply
    103,331.20x = 155,011.20 × 44,166.40
  4. Step 4: Simplify right side
    103,331.20x = 6,846,286,663.68
  5. Step 5: Solve for x
    x = 6,846,286,663.68/103,331.20
  6. Step 6: Final answer
    x = 66,255.75

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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.