Home / 257,034.14-385,643.45-114,867.51

Finding the Fourth Proportional to 257,034.14, 385,643.45 and 114,867.51

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Solution

The fourth proportional to 257,034.14, 385,643.45 and 114,867.51 is: 172,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,034.14 : 385,643.45 = 114,867.51 : x
  2. Step 2: Convert to fraction form
    257,034.14/385,643.45 = 114,867.51/x
  3. Step 3: Cross multiply
    257,034.14x = 385,643.45 × 114,867.51
  4. Step 4: Simplify right side
    257,034.14x = 44,297,902,849.31
  5. Step 5: Solve for x
    x = 44,297,902,849.31/257,034.14
  6. Step 6: Final answer
    x = 172,342.49

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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.