Home / 259,617.08-389,289.90-117,340.04

Finding the Fourth Proportional to 259,617.08, 389,289.90 and 117,340.04

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Solution

The fourth proportional to 259,617.08, 389,289.90 and 117,340.04 is: 175,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,617.08 : 389,289.90 = 117,340.04 : x
  2. Step 2: Convert to fraction form
    259,617.08/389,289.90 = 117,340.04/x
  3. Step 3: Cross multiply
    259,617.08x = 389,289.90 × 117,340.04
  4. Step 4: Simplify right side
    259,617.08x = 45,679,292,437.60
  5. Step 5: Solve for x
    x = 45,679,292,437.60/259,617.08
  6. Step 6: Final answer
    x = 175,948.72

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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.