Home / 177,799.05-266,698.58-138,141.45

Finding the Fourth Proportional to 177,799.05, 266,698.58 and 138,141.45

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Solution

The fourth proportional to 177,799.05, 266,698.58 and 138,141.45 is: 207,212.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,799.05 : 266,698.58 = 138,141.45 : x
  2. Step 2: Convert to fraction form
    177,799.05/266,698.58 = 138,141.45/x
  3. Step 3: Cross multiply
    177,799.05x = 266,698.58 × 138,141.45
  4. Step 4: Simplify right side
    177,799.05x = 36,842,127,863.43
  5. Step 5: Solve for x
    x = 36,842,127,863.43/177,799.05
  6. Step 6: Final answer
    x = 207,212.18

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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.