Home / 234,210.48-323,210.66-126,780.18

Finding the Fourth Proportional to 234,210.48, 323,210.66 and 126,780.18

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Solution

The fourth proportional to 234,210.48, 323,210.66 and 126,780.18 is: 174,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,210.48 : 323,210.66 = 126,780.18 : x
  2. Step 2: Convert to fraction form
    234,210.48/323,210.66 = 126,780.18/x
  3. Step 3: Cross multiply
    234,210.48x = 323,210.66 × 126,780.18
  4. Step 4: Simplify right side
    234,210.48x = 40,976,705,018.82
  5. Step 5: Solve for x
    x = 40,976,705,018.82/234,210.48
  6. Step 6: Final answer
    x = 174,956.75

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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.