Home / 234,210.15-323,209.73-126,780.15

Finding the Fourth Proportional to 234,210.15, 323,209.73 and 126,780.15

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Solution

The fourth proportional to 234,210.15, 323,209.73 and 126,780.15 is: 174,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,210.15 : 323,209.73 = 126,780.15 : x
  2. Step 2: Convert to fraction form
    234,210.15/323,209.73 = 126,780.15/x
  3. Step 3: Cross multiply
    234,210.15x = 323,209.73 × 126,780.15
  4. Step 4: Simplify right side
    234,210.15x = 40,976,578,050.86
  5. Step 5: Solve for x
    x = 40,976,578,050.86/234,210.15
  6. Step 6: Final answer
    x = 174,956.46

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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.