Home / 127,841.13-191,694.15-56,732.88

Finding the Fourth Proportional to 127,841.13, 191,694.15 and 56,732.88

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Solution

The fourth proportional to 127,841.13, 191,694.15 and 56,732.88 is: 85,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,841.13 : 191,694.15 = 56,732.88 : x
  2. Step 2: Convert to fraction form
    127,841.13/191,694.15 = 56,732.88/x
  3. Step 3: Cross multiply
    127,841.13x = 191,694.15 × 56,732.88
  4. Step 4: Simplify right side
    127,841.13x = 10,875,361,208.65
  5. Step 5: Solve for x
    x = 10,875,361,208.65/127,841.13
  6. Step 6: Final answer
    x = 85,069.35

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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.