Home / 143,766.74-215,652.35-42,575.03

Finding the Fourth Proportional to 143,766.74, 215,652.35 and 42,575.03

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Solution

The fourth proportional to 143,766.74, 215,652.35 and 42,575.03 is: 63,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,766.74 : 215,652.35 = 42,575.03 : x
  2. Step 2: Convert to fraction form
    143,766.74/215,652.35 = 42,575.03/x
  3. Step 3: Cross multiply
    143,766.74x = 215,652.35 × 42,575.03
  4. Step 4: Simplify right side
    143,766.74x = 9,181,405,270.82
  5. Step 5: Solve for x
    x = 9,181,405,270.82/143,766.74
  6. Step 6: Final answer
    x = 63,863.21

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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.