Home / 403,134.52-556,348.63-231,081.14

Finding the Fourth Proportional to 403,134.52, 556,348.63 and 231,081.14

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Solution

The fourth proportional to 403,134.52, 556,348.63 and 231,081.14 is: 318,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,134.52 : 556,348.63 = 231,081.14 : x
  2. Step 2: Convert to fraction form
    403,134.52/556,348.63 = 231,081.14/x
  3. Step 3: Cross multiply
    403,134.52x = 556,348.63 × 231,081.14
  4. Step 4: Simplify right side
    403,134.52x = 128,561,675,657.84
  5. Step 5: Solve for x
    x = 128,561,675,657.84/403,134.52
  6. Step 6: Final answer
    x = 318,905.15

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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.