Home / 117,417.90-175,982.51-54,150.20

Finding the Fourth Proportional to 117,417.90, 175,982.51 and 54,150.20

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Solution

The fourth proportional to 117,417.90, 175,982.51 and 54,150.20 is: 81,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,417.90 : 175,982.51 = 54,150.20 : x
  2. Step 2: Convert to fraction form
    117,417.90/175,982.51 = 54,150.20/x
  3. Step 3: Cross multiply
    117,417.90x = 175,982.51 × 54,150.20
  4. Step 4: Simplify right side
    117,417.90x = 9,529,488,113.00
  5. Step 5: Solve for x
    x = 9,529,488,113.00/117,417.90
  6. Step 6: Final answer
    x = 81,158.73

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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.