Home / 117,708.20-176,562.30-51,223.40

Finding the Fourth Proportional to 117,708.20, 176,562.30 and 51,223.40

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Solution

The fourth proportional to 117,708.20, 176,562.30 and 51,223.40 is: 76,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,708.20 : 176,562.30 = 51,223.40 : x
  2. Step 2: Convert to fraction form
    117,708.20/176,562.30 = 51,223.40/x
  3. Step 3: Cross multiply
    117,708.20x = 176,562.30 × 51,223.40
  4. Step 4: Simplify right side
    117,708.20x = 9,044,121,317.82
  5. Step 5: Solve for x
    x = 9,044,121,317.82/117,708.20
  6. Step 6: Final answer
    x = 76,835.10

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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.