Home / 132,329.60-198,008.40-97,337.60

Finding the Fourth Proportional to 132,329.60, 198,008.40 and 97,337.60

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Solution

The fourth proportional to 132,329.60, 198,008.40 and 97,337.60 is: 145,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,329.60 : 198,008.40 = 97,337.60 : x
  2. Step 2: Convert to fraction form
    132,329.60/198,008.40 = 97,337.60/x
  3. Step 3: Cross multiply
    132,329.60x = 198,008.40 × 97,337.60
  4. Step 4: Simplify right side
    132,329.60x = 19,273,662,435.84
  5. Step 5: Solve for x
    x = 19,273,662,435.84/132,329.60
  6. Step 6: Final answer
    x = 145,648.91

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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.