Home / 99,301.20-148,606.20-68,197.20

Finding the Fourth Proportional to 99,301.20, 148,606.20 and 68,197.20

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Solution

The fourth proportional to 99,301.20, 148,606.20 and 68,197.20 is: 102,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301.20 : 148,606.20 = 68,197.20 : x
  2. Step 2: Convert to fraction form
    99,301.20/148,606.20 = 68,197.20/x
  3. Step 3: Cross multiply
    99,301.20x = 148,606.20 × 68,197.20
  4. Step 4: Simplify right side
    99,301.20x = 10,134,526,742.64
  5. Step 5: Solve for x
    x = 10,134,526,742.64/99,301.20
  6. Step 6: Final answer
    x = 102,058.45

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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.