Home / 132,564.80-198,555.60-117,790.40

Finding the Fourth Proportional to 132,564.80, 198,555.60 and 117,790.40

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Solution

The fourth proportional to 132,564.80, 198,555.60 and 117,790.40 is: 176,426.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.80 : 198,555.60 = 117,790.40 : x
  2. Step 2: Convert to fraction form
    132,564.80/198,555.60 = 117,790.40/x
  3. Step 3: Cross multiply
    132,564.80x = 198,555.60 × 117,790.40
  4. Step 4: Simplify right side
    132,564.80x = 23,387,943,546.24
  5. Step 5: Solve for x
    x = 23,387,943,546.24/132,564.80
  6. Step 6: Final answer
    x = 176,426.50

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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.