Home / 253,526.66-379,743.24-238,621.38

Finding the Fourth Proportional to 253,526.66, 379,743.24 and 238,621.38

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Solution

The fourth proportional to 253,526.66, 379,743.24 and 238,621.38 is: 357,417.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,526.66 : 379,743.24 = 238,621.38 : x
  2. Step 2: Convert to fraction form
    253,526.66/379,743.24 = 238,621.38/x
  3. Step 3: Cross multiply
    253,526.66x = 379,743.24 × 238,621.38
  4. Step 4: Simplify right side
    253,526.66x = 90,614,855,974.47
  5. Step 5: Solve for x
    x = 90,614,855,974.47/253,526.66
  6. Step 6: Final answer
    x = 357,417.47

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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.