Home / 129,131.98-193,587.02-44,881.20

Finding the Fourth Proportional to 129,131.98, 193,587.02 and 44,881.20

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Solution

The fourth proportional to 129,131.98, 193,587.02 and 44,881.20 is: 67,283.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,131.98 : 193,587.02 = 44,881.20 : x
  2. Step 2: Convert to fraction form
    129,131.98/193,587.02 = 44,881.20/x
  3. Step 3: Cross multiply
    129,131.98x = 193,587.02 × 44,881.20
  4. Step 4: Simplify right side
    129,131.98x = 8,688,416,794.09
  5. Step 5: Solve for x
    x = 8,688,416,794.09/129,131.98
  6. Step 6: Final answer
    x = 67,283.23

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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.