Home / 403,127.16-556,338.44-231,073.74

Finding the Fourth Proportional to 403,127.16, 556,338.44 and 231,073.74

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Solution

The fourth proportional to 403,127.16, 556,338.44 and 231,073.74 is: 318,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,127.16 : 556,338.44 = 231,073.74 : x
  2. Step 2: Convert to fraction form
    403,127.16/556,338.44 = 231,073.74/x
  3. Step 3: Cross multiply
    403,127.16x = 556,338.44 × 231,073.74
  4. Step 4: Simplify right side
    403,127.16x = 128,555,204,036.57
  5. Step 5: Solve for x
    x = 128,555,204,036.57/403,127.16
  6. Step 6: Final answer
    x = 318,894.92

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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.