Home / 143,254.86-214,882.29-49,760.70

Finding the Fourth Proportional to 143,254.86, 214,882.29 and 49,760.70

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Solution

The fourth proportional to 143,254.86, 214,882.29 and 49,760.70 is: 74,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,254.86 : 214,882.29 = 49,760.70 : x
  2. Step 2: Convert to fraction form
    143,254.86/214,882.29 = 49,760.70/x
  3. Step 3: Cross multiply
    143,254.86x = 214,882.29 × 49,760.70
  4. Step 4: Simplify right side
    143,254.86x = 10,692,693,168.00
  5. Step 5: Solve for x
    x = 10,692,693,168.00/143,254.86
  6. Step 6: Final answer
    x = 74,641.05

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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.