Home / 217,821.60-326,732.40-164,599.20

Finding the Fourth Proportional to 217,821.60, 326,732.40 and 164,599.20

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Solution

The fourth proportional to 217,821.60, 326,732.40 and 164,599.20 is: 246,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,821.60 : 326,732.40 = 164,599.20 : x
  2. Step 2: Convert to fraction form
    217,821.60/326,732.40 = 164,599.20/x
  3. Step 3: Cross multiply
    217,821.60x = 326,732.40 × 164,599.20
  4. Step 4: Simplify right side
    217,821.60x = 53,779,891,654.08
  5. Step 5: Solve for x
    x = 53,779,891,654.08/217,821.60
  6. Step 6: Final answer
    x = 246,898.80

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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.