Home / 403,133.52-556,347.25-231,080.14

Finding the Fourth Proportional to 403,133.52, 556,347.25 and 231,080.14

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Solution

The fourth proportional to 403,133.52, 556,347.25 and 231,080.14 is: 318,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,133.52 : 556,347.25 = 231,080.14 : x
  2. Step 2: Convert to fraction form
    403,133.52/556,347.25 = 231,080.14/x
  3. Step 3: Cross multiply
    403,133.52x = 556,347.25 × 231,080.14
  4. Step 4: Simplify right side
    403,133.52x = 128,560,800,418.62
  5. Step 5: Solve for x
    x = 128,560,800,418.62/403,133.52
  6. Step 6: Final answer
    x = 318,903.77

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1.5x scale

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.