Home / 143,258.28-214,887.16-38,077.24

Finding the Fourth Proportional to 143,258.28, 214,887.16 and 38,077.24

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Solution

The fourth proportional to 143,258.28, 214,887.16 and 38,077.24 is: 57,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.28 : 214,887.16 = 38,077.24 : x
  2. Step 2: Convert to fraction form
    143,258.28/214,887.16 = 38,077.24/x
  3. Step 3: Cross multiply
    143,258.28x = 214,887.16 × 38,077.24
  4. Step 4: Simplify right side
    143,258.28x = 8,182,309,964.24
  5. Step 5: Solve for x
    x = 8,182,309,964.24/143,258.28
  6. Step 6: Final answer
    x = 57,115.79

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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.