Home / 129,595.08-194,409.10-50,699.20

Finding the Fourth Proportional to 129,595.08, 194,409.10 and 50,699.20

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Solution

The fourth proportional to 129,595.08, 194,409.10 and 50,699.20 is: 76,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,595.08 : 194,409.10 = 50,699.20 : x
  2. Step 2: Convert to fraction form
    129,595.08/194,409.10 = 50,699.20/x
  3. Step 3: Cross multiply
    129,595.08x = 194,409.10 × 50,699.20
  4. Step 4: Simplify right side
    129,595.08x = 9,856,385,842.72
  5. Step 5: Solve for x
    x = 9,856,385,842.72/129,595.08
  6. Step 6: Final answer
    x = 76,055.25

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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.