Home / 108,265.20-162,397.80-70,940.40

Finding the Fourth Proportional to 108,265.20, 162,397.80 and 70,940.40

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Solution

The fourth proportional to 108,265.20, 162,397.80 and 70,940.40 is: 106,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,265.20 : 162,397.80 = 70,940.40 : x
  2. Step 2: Convert to fraction form
    108,265.20/162,397.80 = 70,940.40/x
  3. Step 3: Cross multiply
    108,265.20x = 162,397.80 × 70,940.40
  4. Step 4: Simplify right side
    108,265.20x = 11,520,564,891.12
  5. Step 5: Solve for x
    x = 11,520,564,891.12/108,265.20
  6. Step 6: Final answer
    x = 106,410.60

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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.