Home / 403,126.64-556,337.74-231,073.24

Finding the Fourth Proportional to 403,126.64, 556,337.74 and 231,073.24

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Solution

The fourth proportional to 403,126.64, 556,337.74 and 231,073.24 is: 318,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,126.64 : 556,337.74 = 231,073.24 : x
  2. Step 2: Convert to fraction form
    403,126.64/556,337.74 = 231,073.24/x
  3. Step 3: Cross multiply
    403,126.64x = 556,337.74 × 231,073.24
  4. Step 4: Simplify right side
    403,126.64x = 128,554,764,116.08
  5. Step 5: Solve for x
    x = 128,554,764,116.08/403,126.64
  6. Step 6: Final answer
    x = 318,894.24

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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.