Home / 129,503.06-194,282.38-73,370.06

Finding the Fourth Proportional to 129,503.06, 194,282.38 and 73,370.06

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Solution

The fourth proportional to 129,503.06, 194,282.38 and 73,370.06 is: 110,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503.06 : 194,282.38 = 73,370.06 : x
  2. Step 2: Convert to fraction form
    129,503.06/194,282.38 = 73,370.06/x
  3. Step 3: Cross multiply
    129,503.06x = 194,282.38 × 73,370.06
  4. Step 4: Simplify right side
    129,503.06x = 14,254,509,726.40
  5. Step 5: Solve for x
    x = 14,254,509,726.40/129,503.06
  6. Step 6: Final answer
    x = 110,070.83

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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.