Home / 162,781.68-243,880.92-57,533.52

Finding the Fourth Proportional to 162,781.68, 243,880.92 and 57,533.52

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Solution

The fourth proportional to 162,781.68, 243,880.92 and 57,533.52 is: 86,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,781.68 : 243,880.92 = 57,533.52 : x
  2. Step 2: Convert to fraction form
    162,781.68/243,880.92 = 57,533.52/x
  3. Step 3: Cross multiply
    162,781.68x = 243,880.92 × 57,533.52
  4. Step 4: Simplify right side
    162,781.68x = 14,031,327,788.44
  5. Step 5: Solve for x
    x = 14,031,327,788.44/162,781.68
  6. Step 6: Final answer
    x = 86,197.22

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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.