Home / 226,764.50-312,901.99-136,101.20

Finding the Fourth Proportional to 226,764.50, 312,901.99 and 136,101.20

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Solution

The fourth proportional to 226,764.50, 312,901.99 and 136,101.20 is: 187,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,764.50 : 312,901.99 = 136,101.20 : x
  2. Step 2: Convert to fraction form
    226,764.50/312,901.99 = 136,101.20/x
  3. Step 3: Cross multiply
    226,764.50x = 312,901.99 × 136,101.20
  4. Step 4: Simplify right side
    226,764.50x = 42,586,334,416.63
  5. Step 5: Solve for x
    x = 42,586,334,416.63/226,764.50
  6. Step 6: Final answer
    x = 187,799.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.