Home / 292,233.20-438,522.60-192,681.20

Finding the Fourth Proportional to 292,233.20, 438,522.60 and 192,681.20

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Solution

The fourth proportional to 292,233.20, 438,522.60 and 192,681.20 is: 289,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,233.20 : 438,522.60 = 192,681.20 : x
  2. Step 2: Convert to fraction form
    292,233.20/438,522.60 = 192,681.20/x
  3. Step 3: Cross multiply
    292,233.20x = 438,522.60 × 192,681.20
  4. Step 4: Simplify right side
    292,233.20x = 84,495,060,795.12
  5. Step 5: Solve for x
    x = 84,495,060,795.12/292,233.20
  6. Step 6: Final answer
    x = 289,135.73

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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.