Home / 234,187.20-351,279.36-76,415.76

Finding the Fourth Proportional to 234,187.20, 351,279.36 and 76,415.76

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Solution

The fourth proportional to 234,187.20, 351,279.36 and 76,415.76 is: 114,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,187.20 : 351,279.36 = 76,415.76 : x
  2. Step 2: Convert to fraction form
    234,187.20/351,279.36 = 76,415.76/x
  3. Step 3: Cross multiply
    234,187.20x = 351,279.36 × 76,415.76
  4. Step 4: Simplify right side
    234,187.20x = 26,843,279,266.71
  5. Step 5: Solve for x
    x = 26,843,279,266.71/234,187.20
  6. Step 6: Final answer
    x = 114,623.17

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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.