Home / 159,480.18-239,368.50-80,650.98

Finding the Fourth Proportional to 159,480.18, 239,368.50 and 80,650.98

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Solution

The fourth proportional to 159,480.18, 239,368.50 and 80,650.98 is: 121,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.18 : 239,368.50 = 80,650.98 : x
  2. Step 2: Convert to fraction form
    159,480.18/239,368.50 = 80,650.98/x
  3. Step 3: Cross multiply
    159,480.18x = 239,368.50 × 80,650.98
  4. Step 4: Simplify right side
    159,480.18x = 19,305,304,106.13
  5. Step 5: Solve for x
    x = 19,305,304,106.13/159,480.18
  6. Step 6: Final answer
    x = 121,051.43

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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.