Home / 105,207.80-157,422.90-95,876.60

Finding the Fourth Proportional to 105,207.80, 157,422.90 and 95,876.60

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Solution

The fourth proportional to 105,207.80, 157,422.90 and 95,876.60 is: 143,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,207.80 : 157,422.90 = 95,876.60 : x
  2. Step 2: Convert to fraction form
    105,207.80/157,422.90 = 95,876.60/x
  3. Step 3: Cross multiply
    105,207.80x = 157,422.90 × 95,876.60
  4. Step 4: Simplify right side
    105,207.80x = 15,093,172,414.14
  5. Step 5: Solve for x
    x = 15,093,172,414.14/105,207.80
  6. Step 6: Final answer
    x = 143,460.58

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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.