Home / 313,371.75-432,458.10-177,402.18

Finding the Fourth Proportional to 313,371.75, 432,458.10 and 177,402.18

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Solution

The fourth proportional to 313,371.75, 432,458.10 and 177,402.18 is: 244,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371.75 : 432,458.10 = 177,402.18 : x
  2. Step 2: Convert to fraction form
    313,371.75/432,458.10 = 177,402.18/x
  3. Step 3: Cross multiply
    313,371.75x = 432,458.10 × 177,402.18
  4. Step 4: Simplify right side
    313,371.75x = 76,719,009,698.66
  5. Step 5: Solve for x
    x = 76,719,009,698.66/313,371.75
  6. Step 6: Final answer
    x = 244,817.89

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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.