Home / 295,811.10-443,206.35-137,715.30

Finding the Fourth Proportional to 295,811.10, 443,206.35 and 137,715.30

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Solution

The fourth proportional to 295,811.10, 443,206.35 and 137,715.30 is: 206,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,811.10 : 443,206.35 = 137,715.30 : x
  2. Step 2: Convert to fraction form
    295,811.10/443,206.35 = 137,715.30/x
  3. Step 3: Cross multiply
    295,811.10x = 443,206.35 × 137,715.30
  4. Step 4: Simplify right side
    295,811.10x = 61,036,295,452.16
  5. Step 5: Solve for x
    x = 61,036,295,452.16/295,811.10
  6. Step 6: Final answer
    x = 206,335.38

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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.