Home / 136,711.95-205,159.04-52,541.61

Finding the Fourth Proportional to 136,711.95, 205,159.04 and 52,541.61

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Solution

The fourth proportional to 136,711.95, 205,159.04 and 52,541.61 is: 78,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,711.95 : 205,159.04 = 52,541.61 : x
  2. Step 2: Convert to fraction form
    136,711.95/205,159.04 = 52,541.61/x
  3. Step 3: Cross multiply
    136,711.95x = 205,159.04 × 52,541.61
  4. Step 4: Simplify right side
    136,711.95x = 10,779,386,267.65
  5. Step 5: Solve for x
    x = 10,779,386,267.65/136,711.95
  6. Step 6: Final answer
    x = 78,847.43

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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.