Home / 177,799.10-266,871.45-107,815.10

Finding the Fourth Proportional to 177,799.10, 266,871.45 and 107,815.10

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Solution

The fourth proportional to 177,799.10, 266,871.45 and 107,815.10 is: 161,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,799.10 : 266,871.45 = 107,815.10 : x
  2. Step 2: Convert to fraction form
    177,799.10/266,871.45 = 107,815.10/x
  3. Step 3: Cross multiply
    177,799.10x = 266,871.45 × 107,815.10
  4. Step 4: Simplify right side
    177,799.10x = 28,772,772,068.90
  5. Step 5: Solve for x
    x = 28,772,772,068.90/177,799.10
  6. Step 6: Final answer
    x = 161,827.43

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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.