Home / 110,278.40-165,439.20-47,098.40

Finding the Fourth Proportional to 110,278.40, 165,439.20 and 47,098.40

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Solution

The fourth proportional to 110,278.40, 165,439.20 and 47,098.40 is: 70,656.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,278.40 : 165,439.20 = 47,098.40 : x
  2. Step 2: Convert to fraction form
    110,278.40/165,439.20 = 47,098.40/x
  3. Step 3: Cross multiply
    110,278.40x = 165,439.20 × 47,098.40
  4. Step 4: Simplify right side
    110,278.40x = 7,791,921,617.28
  5. Step 5: Solve for x
    x = 7,791,921,617.28/110,278.40
  6. Step 6: Final answer
    x = 70,656.83

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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.