Home / 162,281.70-243,495.45-57,176.10

Finding the Fourth Proportional to 162,281.70, 243,495.45 and 57,176.10

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Solution

The fourth proportional to 162,281.70, 243,495.45 and 57,176.10 is: 85,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,281.70 : 243,495.45 = 57,176.10 : x
  2. Step 2: Convert to fraction form
    162,281.70/243,495.45 = 57,176.10/x
  3. Step 3: Cross multiply
    162,281.70x = 243,495.45 × 57,176.10
  4. Step 4: Simplify right side
    162,281.70x = 13,922,120,198.75
  5. Step 5: Solve for x
    x = 13,922,120,198.75/162,281.70
  6. Step 6: Final answer
    x = 85,789.83

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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.