Home / 136,715.07-205,058.15-36,869.10

Finding the Fourth Proportional to 136,715.07, 205,058.15 and 36,869.10

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Solution

The fourth proportional to 136,715.07, 205,058.15 and 36,869.10 is: 55,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,715.07 : 205,058.15 = 36,869.10 : x
  2. Step 2: Convert to fraction form
    136,715.07/205,058.15 = 36,869.10/x
  3. Step 3: Cross multiply
    136,715.07x = 205,058.15 × 36,869.10
  4. Step 4: Simplify right side
    136,715.07x = 7,560,309,438.17
  5. Step 5: Solve for x
    x = 7,560,309,438.17/136,715.07
  6. Step 6: Final answer
    x = 55,299.75

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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.