Home / 229,539.05-316,757.53-127,561.89

Finding the Fourth Proportional to 229,539.05, 316,757.53 and 127,561.89

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Solution

The fourth proportional to 229,539.05, 316,757.53 and 127,561.89 is: 176,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,539.05 : 316,757.53 = 127,561.89 : x
  2. Step 2: Convert to fraction form
    229,539.05/316,757.53 = 127,561.89/x
  3. Step 3: Cross multiply
    229,539.05x = 316,757.53 × 127,561.89
  4. Step 4: Simplify right side
    229,539.05x = 40,406,189,198.53
  5. Step 5: Solve for x
    x = 40,406,189,198.53/229,539.05
  6. Step 6: Final answer
    x = 176,031.87

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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.