Home / 132,345.95-198,555.98-53,515.53

Finding the Fourth Proportional to 132,345.95, 198,555.98 and 53,515.53

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Solution

The fourth proportional to 132,345.95, 198,555.98 and 53,515.53 is: 80,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.95 : 198,555.98 = 53,515.53 : x
  2. Step 2: Convert to fraction form
    132,345.95/198,555.98 = 53,515.53/x
  3. Step 3: Cross multiply
    132,345.95x = 198,555.98 × 53,515.53
  4. Step 4: Simplify right side
    132,345.95x = 10,625,828,236.79
  5. Step 5: Solve for x
    x = 10,625,828,236.79/132,345.95
  6. Step 6: Final answer
    x = 80,288.28

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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.