Home / 292,436.20-438,654.30-152,176.60

Finding the Fourth Proportional to 292,436.20, 438,654.30 and 152,176.60

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Solution

The fourth proportional to 292,436.20, 438,654.30 and 152,176.60 is: 228,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,436.20 : 438,654.30 = 152,176.60 : x
  2. Step 2: Convert to fraction form
    292,436.20/438,654.30 = 152,176.60/x
  3. Step 3: Cross multiply
    292,436.20x = 438,654.30 × 152,176.60
  4. Step 4: Simplify right side
    292,436.20x = 66,752,919,949.38
  5. Step 5: Solve for x
    x = 66,752,919,949.38/292,436.20
  6. Step 6: Final answer
    x = 228,264.90

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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.