Home / 103,335.20-155,017.20-44,170.40

Finding the Fourth Proportional to 103,335.20, 155,017.20 and 44,170.40

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Solution

The fourth proportional to 103,335.20, 155,017.20 and 44,170.40 is: 66,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.20 : 155,017.20 = 44,170.40 : x
  2. Step 2: Convert to fraction form
    103,335.20/155,017.20 = 44,170.40/x
  3. Step 3: Cross multiply
    103,335.20x = 155,017.20 × 44,170.40
  4. Step 4: Simplify right side
    103,335.20x = 6,847,171,730.88
  5. Step 5: Solve for x
    x = 6,847,171,730.88/103,335.20
  6. Step 6: Final answer
    x = 66,261.76

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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.