Home / 185,817.76-279,085.20-159,223.84

Finding the Fourth Proportional to 185,817.76, 279,085.20 and 159,223.84

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Solution

The fourth proportional to 185,817.76, 279,085.20 and 159,223.84 is: 239,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,817.76 : 279,085.20 = 159,223.84 : x
  2. Step 2: Convert to fraction form
    185,817.76/279,085.20 = 159,223.84/x
  3. Step 3: Cross multiply
    185,817.76x = 279,085.20 × 159,223.84
  4. Step 4: Simplify right side
    185,817.76x = 44,437,017,231.17
  5. Step 5: Solve for x
    x = 44,437,017,231.17/185,817.76
  6. Step 6: Final answer
    x = 239,143.00

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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.