Home / 234,209.93-323,210.79-126,780.03

Finding the Fourth Proportional to 234,209.93, 323,210.79 and 126,780.03

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Solution

The fourth proportional to 234,209.93, 323,210.79 and 126,780.03 is: 174,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,209.93 : 323,210.79 = 126,780.03 : x
  2. Step 2: Convert to fraction form
    234,209.93/323,210.79 = 126,780.03/x
  3. Step 3: Cross multiply
    234,209.93x = 323,210.79 × 126,780.03
  4. Step 4: Simplify right side
    234,209.93x = 40,976,673,652.52
  5. Step 5: Solve for x
    x = 40,976,673,652.52/234,209.93
  6. Step 6: Final answer
    x = 174,957.03

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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.