Home / 143,948.96-198,498.84-123,873.92

Finding the Fourth Proportional to 143,948.96, 198,498.84 and 123,873.92

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Solution

The fourth proportional to 143,948.96, 198,498.84 and 123,873.92 is: 170,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.96 : 198,498.84 = 123,873.92 : x
  2. Step 2: Convert to fraction form
    143,948.96/198,498.84 = 123,873.92/x
  3. Step 3: Cross multiply
    143,948.96x = 198,498.84 × 123,873.92
  4. Step 4: Simplify right side
    143,948.96x = 24,588,829,426.25
  5. Step 5: Solve for x
    x = 24,588,829,426.25/143,948.96
  6. Step 6: Final answer
    x = 170,816.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.