Home / 234,210.18-323,209.77-126,780.18

Finding the Fourth Proportional to 234,210.18, 323,209.77 and 126,780.18

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Solution

The fourth proportional to 234,210.18, 323,209.77 and 126,780.18 is: 174,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,210.18 : 323,209.77 = 126,780.18 : x
  2. Step 2: Convert to fraction form
    234,210.18/323,209.77 = 126,780.18/x
  3. Step 3: Cross multiply
    234,210.18x = 323,209.77 × 126,780.18
  4. Step 4: Simplify right side
    234,210.18x = 40,976,592,818.36
  5. Step 5: Solve for x
    x = 40,976,592,818.36/234,210.18
  6. Step 6: Final answer
    x = 174,956.50

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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.