Home / 154,085.84-231,128.75-41,766.08

Finding the Fourth Proportional to 154,085.84, 231,128.75 and 41,766.08

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Solution

The fourth proportional to 154,085.84, 231,128.75 and 41,766.08 is: 62,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,085.84 : 231,128.75 = 41,766.08 : x
  2. Step 2: Convert to fraction form
    154,085.84/231,128.75 = 41,766.08/x
  3. Step 3: Cross multiply
    154,085.84x = 231,128.75 × 41,766.08
  4. Step 4: Simplify right side
    154,085.84x = 9,653,340,811.57
  5. Step 5: Solve for x
    x = 9,653,340,811.57/154,085.84
  6. Step 6: Final answer
    x = 62,649.11

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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.