Home / 296,972.60-445,262.10-163,916.60

Finding the Fourth Proportional to 296,972.60, 445,262.10 and 163,916.60

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Solution

The fourth proportional to 296,972.60, 445,262.10 and 163,916.60 is: 245,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,972.60 : 445,262.10 = 163,916.60 : x
  2. Step 2: Convert to fraction form
    296,972.60/445,262.10 = 163,916.60/x
  3. Step 3: Cross multiply
    296,972.60x = 445,262.10 × 163,916.60
  4. Step 4: Simplify right side
    296,972.60x = 72,985,849,540.86
  5. Step 5: Solve for x
    x = 72,985,849,540.86/296,972.60
  6. Step 6: Final answer
    x = 245,766.27

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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.