Home / 124,433.40-186,650.10-80,110.20

Finding the Fourth Proportional to 124,433.40, 186,650.10 and 80,110.20

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Solution

The fourth proportional to 124,433.40, 186,650.10 and 80,110.20 is: 120,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,433.40 : 186,650.10 = 80,110.20 : x
  2. Step 2: Convert to fraction form
    124,433.40/186,650.10 = 80,110.20/x
  3. Step 3: Cross multiply
    124,433.40x = 186,650.10 × 80,110.20
  4. Step 4: Simplify right side
    124,433.40x = 14,952,576,841.02
  5. Step 5: Solve for x
    x = 14,952,576,841.02/124,433.40
  6. Step 6: Final answer
    x = 120,165.30

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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.