Home / 143,321.10-214,981.65-117,951.90

Finding the Fourth Proportional to 143,321.10, 214,981.65 and 117,951.90

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Solution

The fourth proportional to 143,321.10, 214,981.65 and 117,951.90 is: 176,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,321.10 : 214,981.65 = 117,951.90 : x
  2. Step 2: Convert to fraction form
    143,321.10/214,981.65 = 117,951.90/x
  3. Step 3: Cross multiply
    143,321.10x = 214,981.65 × 117,951.90
  4. Step 4: Simplify right side
    143,321.10x = 25,357,494,082.64
  5. Step 5: Solve for x
    x = 25,357,494,082.64/143,321.10
  6. Step 6: Final answer
    x = 176,927.85

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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.