Home / 132,579.60-198,869.40-106,335.60

Finding the Fourth Proportional to 132,579.60, 198,869.40 and 106,335.60

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Solution

The fourth proportional to 132,579.60, 198,869.40 and 106,335.60 is: 159,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,579.60 : 198,869.40 = 106,335.60 : x
  2. Step 2: Convert to fraction form
    132,579.60/198,869.40 = 106,335.60/x
  3. Step 3: Cross multiply
    132,579.60x = 198,869.40 × 106,335.60
  4. Step 4: Simplify right side
    132,579.60x = 21,146,896,970.64
  5. Step 5: Solve for x
    x = 21,146,896,970.64/132,579.60
  6. Step 6: Final answer
    x = 159,503.40

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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.