Home / 314,769.40-472,211.70-127,799.80

Finding the Fourth Proportional to 314,769.40, 472,211.70 and 127,799.80

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Solution

The fourth proportional to 314,769.40, 472,211.70 and 127,799.80 is: 191,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,769.40 : 472,211.70 = 127,799.80 : x
  2. Step 2: Convert to fraction form
    314,769.40/472,211.70 = 127,799.80/x
  3. Step 3: Cross multiply
    314,769.40x = 472,211.70 × 127,799.80
  4. Step 4: Simplify right side
    314,769.40x = 60,348,560,817.66
  5. Step 5: Solve for x
    x = 60,348,560,817.66/314,769.40
  6. Step 6: Final answer
    x = 191,723.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.