Home / 292,627.31-438,909.06-198,462.38

Finding the Fourth Proportional to 292,627.31, 438,909.06 and 198,462.38

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Solution

The fourth proportional to 292,627.31, 438,909.06 and 198,462.38 is: 297,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,627.31 : 438,909.06 = 198,462.38 : x
  2. Step 2: Convert to fraction form
    292,627.31/438,909.06 = 198,462.38/x
  3. Step 3: Cross multiply
    292,627.31x = 438,909.06 × 198,462.38
  4. Step 4: Simplify right side
    292,627.31x = 87,106,936,651.16
  5. Step 5: Solve for x
    x = 87,106,936,651.16/292,627.31
  6. Step 6: Final answer
    x = 297,671.93

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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.