Home / 142,743.90-214,115.85-95,742.30

Finding the Fourth Proportional to 142,743.90, 214,115.85 and 95,742.30

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Solution

The fourth proportional to 142,743.90, 214,115.85 and 95,742.30 is: 143,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,743.90 : 214,115.85 = 95,742.30 : x
  2. Step 2: Convert to fraction form
    142,743.90/214,115.85 = 95,742.30/x
  3. Step 3: Cross multiply
    142,743.90x = 214,115.85 × 95,742.30
  4. Step 4: Simplify right side
    142,743.90x = 20,499,943,945.46
  5. Step 5: Solve for x
    x = 20,499,943,945.46/142,743.90
  6. Step 6: Final answer
    x = 143,613.45

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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.