Home / 132,020.40-197,454.60-118,081.20

Finding the Fourth Proportional to 132,020.40, 197,454.60 and 118,081.20

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Solution

The fourth proportional to 132,020.40, 197,454.60 and 118,081.20 is: 176,606.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,020.40 : 197,454.60 = 118,081.20 : x
  2. Step 2: Convert to fraction form
    132,020.40/197,454.60 = 118,081.20/x
  3. Step 3: Cross multiply
    132,020.40x = 197,454.60 × 118,081.20
  4. Step 4: Simplify right side
    132,020.40x = 23,315,676,113.52
  5. Step 5: Solve for x
    x = 23,315,676,113.52/132,020.40
  6. Step 6: Final answer
    x = 176,606.62

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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.