Home / 159,527.16-239,217.30-54,317.88

Finding the Fourth Proportional to 159,527.16, 239,217.30 and 54,317.88

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Solution

The fourth proportional to 159,527.16, 239,217.30 and 54,317.88 is: 81,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,527.16 : 239,217.30 = 54,317.88 : x
  2. Step 2: Convert to fraction form
    159,527.16/239,217.30 = 54,317.88/x
  3. Step 3: Cross multiply
    159,527.16x = 239,217.30 × 54,317.88
  4. Step 4: Simplify right side
    159,527.16x = 12,993,776,595.32
  5. Step 5: Solve for x
    x = 12,993,776,595.32/159,527.16
  6. Step 6: Final answer
    x = 81,451.81

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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.