Home / 257,335.09-385,575.81-182,082.22

Finding the Fourth Proportional to 257,335.09, 385,575.81 and 182,082.22

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Solution

The fourth proportional to 257,335.09, 385,575.81 and 182,082.22 is: 272,821.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,335.09 : 385,575.81 = 182,082.22 : x
  2. Step 2: Convert to fraction form
    257,335.09/385,575.81 = 182,082.22/x
  3. Step 3: Cross multiply
    257,335.09x = 385,575.81 × 182,082.22
  4. Step 4: Simplify right side
    257,335.09x = 70,206,499,463.10
  5. Step 5: Solve for x
    x = 70,206,499,463.10/257,335.09
  6. Step 6: Final answer
    x = 272,821.32

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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.