Home / 295,827.60-443,231.10-137,731.80

Finding the Fourth Proportional to 295,827.60, 443,231.10 and 137,731.80

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Solution

The fourth proportional to 295,827.60, 443,231.10 and 137,731.80 is: 206,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,827.60 : 443,231.10 = 137,731.80 : x
  2. Step 2: Convert to fraction form
    295,827.60/443,231.10 = 137,731.80/x
  3. Step 3: Cross multiply
    295,827.60x = 443,231.10 × 137,731.80
  4. Step 4: Simplify right side
    295,827.60x = 61,047,017,218.98
  5. Step 5: Solve for x
    x = 61,047,017,218.98/295,827.60
  6. Step 6: Final answer
    x = 206,360.11

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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.