Home / 100,839.18-151,352.33-50,954.31

Finding the Fourth Proportional to 100,839.18, 151,352.33 and 50,954.31

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Solution

The fourth proportional to 100,839.18, 151,352.33 and 50,954.31 is: 76,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,839.18 : 151,352.33 = 50,954.31 : x
  2. Step 2: Convert to fraction form
    100,839.18/151,352.33 = 50,954.31/x
  3. Step 3: Cross multiply
    100,839.18x = 151,352.33 × 50,954.31
  4. Step 4: Simplify right side
    100,839.18x = 7,712,053,521.21
  5. Step 5: Solve for x
    x = 7,712,053,521.21/100,839.18
  6. Step 6: Final answer
    x = 76,478.74

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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.