Home / 314,852.20-472,278.30-127,997.80

Finding the Fourth Proportional to 314,852.20, 472,278.30 and 127,997.80

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Solution

The fourth proportional to 314,852.20, 472,278.30 and 127,997.80 is: 191,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,852.20 : 472,278.30 = 127,997.80 : x
  2. Step 2: Convert to fraction form
    314,852.20/472,278.30 = 127,997.80/x
  3. Step 3: Cross multiply
    314,852.20x = 472,278.30 × 127,997.80
  4. Step 4: Simplify right side
    314,852.20x = 60,450,583,387.74
  5. Step 5: Solve for x
    x = 60,450,583,387.74/314,852.20
  6. Step 6: Final answer
    x = 191,996.70

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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.