Home / 238,017.36-356,776.92-80,191.28

Finding the Fourth Proportional to 238,017.36, 356,776.92 and 80,191.28

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Solution

The fourth proportional to 238,017.36, 356,776.92 and 80,191.28 is: 120,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,017.36 : 356,776.92 = 80,191.28 : x
  2. Step 2: Convert to fraction form
    238,017.36/356,776.92 = 80,191.28/x
  3. Step 3: Cross multiply
    238,017.36x = 356,776.92 × 80,191.28
  4. Step 4: Simplify right side
    238,017.36x = 28,610,397,889.26
  5. Step 5: Solve for x
    x = 28,610,397,889.26/238,017.36
  6. Step 6: Final answer
    x = 120,202.99

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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.