Home / 238,021.36-357,033.27-80,251.18

Finding the Fourth Proportional to 238,021.36, 357,033.27 and 80,251.18

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Solution

The fourth proportional to 238,021.36, 357,033.27 and 80,251.18 is: 120,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,021.36 : 357,033.27 = 80,251.18 : x
  2. Step 2: Convert to fraction form
    238,021.36/357,033.27 = 80,251.18/x
  3. Step 3: Cross multiply
    238,021.36x = 357,033.27 × 80,251.18
  4. Step 4: Simplify right side
    238,021.36x = 28,652,341,216.76
  5. Step 5: Solve for x
    x = 28,652,341,216.76/238,021.36
  6. Step 6: Final answer
    x = 120,377.18

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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.