Home / 127,589.04-191,328.30-38,821.95

Finding the Fourth Proportional to 127,589.04, 191,328.30 and 38,821.95

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Solution

The fourth proportional to 127,589.04, 191,328.30 and 38,821.95 is: 58,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.04 : 191,328.30 = 38,821.95 : x
  2. Step 2: Convert to fraction form
    127,589.04/191,328.30 = 38,821.95/x
  3. Step 3: Cross multiply
    127,589.04x = 191,328.30 × 38,821.95
  4. Step 4: Simplify right side
    127,589.04x = 7,427,737,696.19
  5. Step 5: Solve for x
    x = 7,427,737,696.19/127,589.04
  6. Step 6: Final answer
    x = 58,216.11

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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.