Home / 123,470.33-185,039.30-67,226.15

Finding the Fourth Proportional to 123,470.33, 185,039.30 and 67,226.15

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Solution

The fourth proportional to 123,470.33, 185,039.30 and 67,226.15 is: 100,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,470.33 : 185,039.30 = 67,226.15 : x
  2. Step 2: Convert to fraction form
    123,470.33/185,039.30 = 67,226.15/x
  3. Step 3: Cross multiply
    123,470.33x = 185,039.30 × 67,226.15
  4. Step 4: Simplify right side
    123,470.33x = 12,439,480,368.36
  5. Step 5: Solve for x
    x = 12,439,480,368.36/123,470.33
  6. Step 6: Final answer
    x = 100,748.75

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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.