Home / 318,634.34-439,663.92-182,643.26

Finding the Fourth Proportional to 318,634.34, 439,663.92 and 182,643.26

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Solution

The fourth proportional to 318,634.34, 439,663.92 and 182,643.26 is: 252,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,634.34 : 439,663.92 = 182,643.26 : x
  2. Step 2: Convert to fraction form
    318,634.34/439,663.92 = 182,643.26/x
  3. Step 3: Cross multiply
    318,634.34x = 439,663.92 × 182,643.26
  4. Step 4: Simplify right side
    318,634.34x = 80,301,651,653.18
  5. Step 5: Solve for x
    x = 80,301,651,653.18/318,634.34
  6. Step 6: Final answer
    x = 252,018.20

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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.