Home / 132,257.95-198,394.43-42,308.57

Finding the Fourth Proportional to 132,257.95, 198,394.43 and 42,308.57

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Solution

The fourth proportional to 132,257.95, 198,394.43 and 42,308.57 is: 63,465.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,257.95 : 198,394.43 = 42,308.57 : x
  2. Step 2: Convert to fraction form
    132,257.95/198,394.43 = 42,308.57/x
  3. Step 3: Cross multiply
    132,257.95x = 198,394.43 × 42,308.57
  4. Step 4: Simplify right side
    132,257.95x = 8,393,784,080.39
  5. Step 5: Solve for x
    x = 8,393,784,080.39/132,257.95
  6. Step 6: Final answer
    x = 63,465.25

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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.