Home / 129,119.42-193,690.30-35,625.16

Finding the Fourth Proportional to 129,119.42, 193,690.30 and 35,625.16

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Solution

The fourth proportional to 129,119.42, 193,690.30 and 35,625.16 is: 53,440.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,119.42 : 193,690.30 = 35,625.16 : x
  2. Step 2: Convert to fraction form
    129,119.42/193,690.30 = 35,625.16/x
  3. Step 3: Cross multiply
    129,119.42x = 193,690.30 × 35,625.16
  4. Step 4: Simplify right side
    129,119.42x = 6,900,247,927.95
  5. Step 5: Solve for x
    x = 6,900,247,927.95/129,119.42
  6. Step 6: Final answer
    x = 53,440.82

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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.