Home / 127,860.70-191,791.05-48,934.30

Finding the Fourth Proportional to 127,860.70, 191,791.05 and 48,934.30

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Solution

The fourth proportional to 127,860.70, 191,791.05 and 48,934.30 is: 73,401.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,860.70 : 191,791.05 = 48,934.30 : x
  2. Step 2: Convert to fraction form
    127,860.70/191,791.05 = 48,934.30/x
  3. Step 3: Cross multiply
    127,860.70x = 191,791.05 × 48,934.30
  4. Step 4: Simplify right side
    127,860.70x = 9,385,160,778.02
  5. Step 5: Solve for x
    x = 9,385,160,778.02/127,860.70
  6. Step 6: Final answer
    x = 73,401.45

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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.