Home / 234,209.65-323,209.04-126,779.65

Finding the Fourth Proportional to 234,209.65, 323,209.04 and 126,779.65

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Solution

The fourth proportional to 234,209.65, 323,209.04 and 126,779.65 is: 174,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,209.65 : 323,209.04 = 126,779.65 : x
  2. Step 2: Convert to fraction form
    234,209.65/323,209.04 = 126,779.65/x
  3. Step 3: Cross multiply
    234,209.65x = 323,209.04 × 126,779.65
  4. Step 4: Simplify right side
    234,209.65x = 40,976,327,351.99
  5. Step 5: Solve for x
    x = 40,976,327,351.99/234,209.65
  6. Step 6: Final answer
    x = 174,955.76

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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.