Home / 162,890.20-244,335.30-57,719.80

Finding the Fourth Proportional to 162,890.20, 244,335.30 and 57,719.80

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Solution

The fourth proportional to 162,890.20, 244,335.30 and 57,719.80 is: 86,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,890.20 : 244,335.30 = 57,719.80 : x
  2. Step 2: Convert to fraction form
    162,890.20/244,335.30 = 57,719.80/x
  3. Step 3: Cross multiply
    162,890.20x = 244,335.30 × 57,719.80
  4. Step 4: Simplify right side
    162,890.20x = 14,102,984,648.94
  5. Step 5: Solve for x
    x = 14,102,984,648.94/162,890.20
  6. Step 6: Final answer
    x = 86,579.70

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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.