Home / 338,178.08-466,699.80-187,275.20

Finding the Fourth Proportional to 338,178.08, 466,699.80 and 187,275.20

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Solution

The fourth proportional to 338,178.08, 466,699.80 and 187,275.20 is: 258,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,178.08 : 466,699.80 = 187,275.20 : x
  2. Step 2: Convert to fraction form
    338,178.08/466,699.80 = 187,275.20/x
  3. Step 3: Cross multiply
    338,178.08x = 466,699.80 × 187,275.20
  4. Step 4: Simplify right side
    338,178.08x = 87,401,298,384.96
  5. Step 5: Solve for x
    x = 87,401,298,384.96/338,178.08
  6. Step 6: Final answer
    x = 258,447.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.