Home / 313,623.39-432,769.05-177,630.21

Finding the Fourth Proportional to 313,623.39, 432,769.05 and 177,630.21

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Solution

The fourth proportional to 313,623.39, 432,769.05 and 177,630.21 is: 245,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,623.39 : 432,769.05 = 177,630.21 : x
  2. Step 2: Convert to fraction form
    313,623.39/432,769.05 = 177,630.21/x
  3. Step 3: Cross multiply
    313,623.39x = 432,769.05 × 177,630.21
  4. Step 4: Simplify right side
    313,623.39x = 76,872,857,233.00
  5. Step 5: Solve for x
    x = 76,872,857,233.00/313,623.39
  6. Step 6: Final answer
    x = 245,112.00

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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.