Home / 261,111.96-391,843.08-167,683.32

Finding the Fourth Proportional to 261,111.96, 391,843.08 and 167,683.32

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Solution

The fourth proportional to 261,111.96, 391,843.08 and 167,683.32 is: 251,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,111.96 : 391,843.08 = 167,683.32 : x
  2. Step 2: Convert to fraction form
    261,111.96/391,843.08 = 167,683.32/x
  3. Step 3: Cross multiply
    261,111.96x = 391,843.08 × 167,683.32
  4. Step 4: Simplify right side
    261,111.96x = 65,705,548,573.43
  5. Step 5: Solve for x
    x = 65,705,548,573.43/261,111.96
  6. Step 6: Final answer
    x = 251,637.45

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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.