Home / 132,046.80-198,068.40-43,303.20

Finding the Fourth Proportional to 132,046.80, 198,068.40 and 43,303.20

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Solution

The fourth proportional to 132,046.80, 198,068.40 and 43,303.20 is: 64,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,046.80 : 198,068.40 = 43,303.20 : x
  2. Step 2: Convert to fraction form
    132,046.80/198,068.40 = 43,303.20/x
  3. Step 3: Cross multiply
    132,046.80x = 198,068.40 × 43,303.20
  4. Step 4: Simplify right side
    132,046.80x = 8,576,995,538.88
  5. Step 5: Solve for x
    x = 8,576,995,538.88/132,046.80
  6. Step 6: Final answer
    x = 64,954.21

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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.