Home / 243,799.88-336,458.75-136,377.14

Finding the Fourth Proportional to 243,799.88, 336,458.75 and 136,377.14

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Solution

The fourth proportional to 243,799.88, 336,458.75 and 136,377.14 is: 188,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,799.88 : 336,458.75 = 136,377.14 : x
  2. Step 2: Convert to fraction form
    243,799.88/336,458.75 = 136,377.14/x
  3. Step 3: Cross multiply
    243,799.88x = 336,458.75 × 136,377.14
  4. Step 4: Simplify right side
    243,799.88x = 45,885,279,688.80
  5. Step 5: Solve for x
    x = 45,885,279,688.80/243,799.88
  6. Step 6: Final answer
    x = 188,208.79

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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.