Home / 217,977.60-326,977.20-113,001.60

Finding the Fourth Proportional to 217,977.60, 326,977.20 and 113,001.60

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Solution

The fourth proportional to 217,977.60, 326,977.20 and 113,001.60 is: 169,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,977.60 : 326,977.20 = 113,001.60 : x
  2. Step 2: Convert to fraction form
    217,977.60/326,977.20 = 113,001.60/x
  3. Step 3: Cross multiply
    217,977.60x = 326,977.20 × 113,001.60
  4. Step 4: Simplify right side
    217,977.60x = 36,948,946,763.52
  5. Step 5: Solve for x
    x = 36,948,946,763.52/217,977.60
  6. Step 6: Final answer
    x = 169,508.00

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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.