Home / 266,621.18-367,886.46-157,742.60

Finding the Fourth Proportional to 266,621.18, 367,886.46 and 157,742.60

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Solution

The fourth proportional to 266,621.18, 367,886.46 and 157,742.60 is: 217,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,621.18 : 367,886.46 = 157,742.60 : x
  2. Step 2: Convert to fraction form
    266,621.18/367,886.46 = 157,742.60/x
  3. Step 3: Cross multiply
    266,621.18x = 367,886.46 × 157,742.60
  4. Step 4: Simplify right side
    266,621.18x = 58,031,366,705.20
  5. Step 5: Solve for x
    x = 58,031,366,705.20/266,621.18
  6. Step 6: Final answer
    x = 217,654.75

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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.