Home / 129,518.10-194,288.08-36,023.85

Finding the Fourth Proportional to 129,518.10, 194,288.08 and 36,023.85

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Solution

The fourth proportional to 129,518.10, 194,288.08 and 36,023.85 is: 54,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,518.10 : 194,288.08 = 36,023.85 : x
  2. Step 2: Convert to fraction form
    129,518.10/194,288.08 = 36,023.85/x
  3. Step 3: Cross multiply
    129,518.10x = 194,288.08 × 36,023.85
  4. Step 4: Simplify right side
    129,518.10x = 6,999,004,650.71
  5. Step 5: Solve for x
    x = 6,999,004,650.71/129,518.10
  6. Step 6: Final answer
    x = 54,038.82

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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.