Home / 117,941.60-176,715.20-51,281.76

Finding the Fourth Proportional to 117,941.60, 176,715.20 and 51,281.76

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Solution

The fourth proportional to 117,941.60, 176,715.20 and 51,281.76 is: 76,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,941.60 : 176,715.20 = 51,281.76 : x
  2. Step 2: Convert to fraction form
    117,941.60/176,715.20 = 51,281.76/x
  3. Step 3: Cross multiply
    117,941.60x = 176,715.20 × 51,281.76
  4. Step 4: Simplify right side
    117,941.60x = 9,062,266,474.75
  5. Step 5: Solve for x
    x = 9,062,266,474.75/117,941.60
  6. Step 6: Final answer
    x = 76,836.90

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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.