Home / 173,743.12-260,438.10-68,417.20

Finding the Fourth Proportional to 173,743.12, 260,438.10 and 68,417.20

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Solution

The fourth proportional to 173,743.12, 260,438.10 and 68,417.20 is: 102,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,743.12 : 260,438.10 = 68,417.20 : x
  2. Step 2: Convert to fraction form
    173,743.12/260,438.10 = 68,417.20/x
  3. Step 3: Cross multiply
    173,743.12x = 260,438.10 × 68,417.20
  4. Step 4: Simplify right side
    173,743.12x = 17,818,445,575.32
  5. Step 5: Solve for x
    x = 17,818,445,575.32/173,743.12
  6. Step 6: Final answer
    x = 102,556.27

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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.