Home / 234,421.60-323,502.66-126,991.38

Finding the Fourth Proportional to 234,421.60, 323,502.66 and 126,991.38

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Solution

The fourth proportional to 234,421.60, 323,502.66 and 126,991.38 is: 175,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,421.60 : 323,502.66 = 126,991.38 : x
  2. Step 2: Convert to fraction form
    234,421.60/323,502.66 = 126,991.38/x
  3. Step 3: Cross multiply
    234,421.60x = 323,502.66 × 126,991.38
  4. Step 4: Simplify right side
    234,421.60x = 41,082,049,227.07
  5. Step 5: Solve for x
    x = 41,082,049,227.07/234,421.60
  6. Step 6: Final answer
    x = 175,248.57

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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.