Home / 159,791.06-239,686.86-127,972.50

Finding the Fourth Proportional to 159,791.06, 239,686.86 and 127,972.50

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Solution

The fourth proportional to 159,791.06, 239,686.86 and 127,972.50 is: 191,958.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,791.06 : 239,686.86 = 127,972.50 : x
  2. Step 2: Convert to fraction form
    159,791.06/239,686.86 = 127,972.50/x
  3. Step 3: Cross multiply
    159,791.06x = 239,686.86 × 127,972.50
  4. Step 4: Simplify right side
    159,791.06x = 30,673,324,967.95
  5. Step 5: Solve for x
    x = 30,673,324,967.95/159,791.06
  6. Step 6: Final answer
    x = 191,958.96

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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.