Home / 103,633.90-154,694.20-88,937.26

Finding the Fourth Proportional to 103,633.90, 154,694.20 and 88,937.26

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Solution

The fourth proportional to 103,633.90, 154,694.20 and 88,937.26 is: 132,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.90 : 154,694.20 = 88,937.26 : x
  2. Step 2: Convert to fraction form
    103,633.90/154,694.20 = 88,937.26/x
  3. Step 3: Cross multiply
    103,633.90x = 154,694.20 × 88,937.26
  4. Step 4: Simplify right side
    103,633.90x = 13,758,078,285.89
  5. Step 5: Solve for x
    x = 13,758,078,285.89/103,633.90
  6. Step 6: Final answer
    x = 132,756.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.