Home / 103,207.20-154,695.60-58,855.20

Finding the Fourth Proportional to 103,207.20, 154,695.60 and 58,855.20

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Solution

The fourth proportional to 103,207.20, 154,695.60 and 58,855.20 is: 88,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,207.20 : 154,695.60 = 58,855.20 : x
  2. Step 2: Convert to fraction form
    103,207.20/154,695.60 = 58,855.20/x
  3. Step 3: Cross multiply
    103,207.20x = 154,695.60 × 58,855.20
  4. Step 4: Simplify right side
    103,207.20x = 9,104,640,477.12
  5. Step 5: Solve for x
    x = 9,104,640,477.12/103,207.20
  6. Step 6: Final answer
    x = 88,217.11

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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.