Home / 132,104.40-197,962.20-112,275.60

Finding the Fourth Proportional to 132,104.40, 197,962.20 and 112,275.60

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Solution

The fourth proportional to 132,104.40, 197,962.20 and 112,275.60 is: 168,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,104.40 : 197,962.20 = 112,275.60 : x
  2. Step 2: Convert to fraction form
    132,104.40/197,962.20 = 112,275.60/x
  3. Step 3: Cross multiply
    132,104.40x = 197,962.20 × 112,275.60
  4. Step 4: Simplify right side
    132,104.40x = 22,226,324,782.32
  5. Step 5: Solve for x
    x = 22,226,324,782.32/132,104.40
  6. Step 6: Final answer
    x = 168,248.18

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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.