Home / 129,294.09-193,944.38-35,800.65

Finding the Fourth Proportional to 129,294.09, 193,944.38 and 35,800.65

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Solution

The fourth proportional to 129,294.09, 193,944.38 and 35,800.65 is: 53,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,294.09 : 193,944.38 = 35,800.65 : x
  2. Step 2: Convert to fraction form
    129,294.09/193,944.38 = 35,800.65/x
  3. Step 3: Cross multiply
    129,294.09x = 193,944.38 × 35,800.65
  4. Step 4: Simplify right side
    129,294.09x = 6,943,334,688.84
  5. Step 5: Solve for x
    x = 6,943,334,688.84/129,294.09
  6. Step 6: Final answer
    x = 53,701.87

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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.