Home / 162,537.60-243,331.20-115,881.60

Finding the Fourth Proportional to 162,537.60, 243,331.20 and 115,881.60

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Solution

The fourth proportional to 162,537.60, 243,331.20 and 115,881.60 is: 173,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,537.60 : 243,331.20 = 115,881.60 : x
  2. Step 2: Convert to fraction form
    162,537.60/243,331.20 = 115,881.60/x
  3. Step 3: Cross multiply
    162,537.60x = 243,331.20 × 115,881.60
  4. Step 4: Simplify right side
    162,537.60x = 28,197,608,785.92
  5. Step 5: Solve for x
    x = 28,197,608,785.92/162,537.60
  6. Step 6: Final answer
    x = 173,483.60

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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.