Home / 108,972.30-163,458.45-38,826.30

Finding the Fourth Proportional to 108,972.30, 163,458.45 and 38,826.30

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Solution

The fourth proportional to 108,972.30, 163,458.45 and 38,826.30 is: 58,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.30 : 163,458.45 = 38,826.30 : x
  2. Step 2: Convert to fraction form
    108,972.30/163,458.45 = 38,826.30/x
  3. Step 3: Cross multiply
    108,972.30x = 163,458.45 × 38,826.30
  4. Step 4: Simplify right side
    108,972.30x = 6,346,486,817.24
  5. Step 5: Solve for x
    x = 6,346,486,817.24/108,972.30
  6. Step 6: Final answer
    x = 58,239.45

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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.