Home / 229,019.86-316,031.43-132,227.56

Finding the Fourth Proportional to 229,019.86, 316,031.43 and 132,227.56

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Solution

The fourth proportional to 229,019.86, 316,031.43 and 132,227.56 is: 182,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,019.86 : 316,031.43 = 132,227.56 : x
  2. Step 2: Convert to fraction form
    229,019.86/316,031.43 = 132,227.56/x
  3. Step 3: Cross multiply
    229,019.86x = 316,031.43 × 132,227.56
  4. Step 4: Simplify right side
    229,019.86x = 41,788,064,872.21
  5. Step 5: Solve for x
    x = 41,788,064,872.21/229,019.86
  6. Step 6: Final answer
    x = 182,464.81

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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.