Home / 511,177.53-766,904.30-156,181.87

Finding the Fourth Proportional to 511,177.53, 766,904.30 and 156,181.87

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Solution

The fourth proportional to 511,177.53, 766,904.30 and 156,181.87 is: 234,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,177.53 : 766,904.30 = 156,181.87 : x
  2. Step 2: Convert to fraction form
    511,177.53/766,904.30 = 156,181.87/x
  3. Step 3: Cross multiply
    511,177.53x = 766,904.30 × 156,181.87
  4. Step 4: Simplify right side
    511,177.53x = 119,776,549,326.97
  5. Step 5: Solve for x
    x = 119,776,549,326.97/511,177.53
  6. Step 6: Final answer
    x = 234,314.97

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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.