Home / 238,008.35-356,763.45-80,182.28

Finding the Fourth Proportional to 238,008.35, 356,763.45 and 80,182.28

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Solution

The fourth proportional to 238,008.35, 356,763.45 and 80,182.28 is: 120,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,008.35 : 356,763.45 = 80,182.28 : x
  2. Step 2: Convert to fraction form
    238,008.35/356,763.45 = 80,182.28/x
  3. Step 3: Cross multiply
    238,008.35x = 356,763.45 × 80,182.28
  4. Step 4: Simplify right side
    238,008.35x = 28,606,106,841.67
  5. Step 5: Solve for x
    x = 28,606,106,841.67/238,008.35
  6. Step 6: Final answer
    x = 120,189.51

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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.