Home / 114,784.90-171,837.15-85,333.30

Finding the Fourth Proportional to 114,784.90, 171,837.15 and 85,333.30

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Solution

The fourth proportional to 114,784.90, 171,837.15 and 85,333.30 is: 127,747.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,784.90 : 171,837.15 = 85,333.30 : x
  2. Step 2: Convert to fraction form
    114,784.90/171,837.15 = 85,333.30/x
  3. Step 3: Cross multiply
    114,784.90x = 171,837.15 × 85,333.30
  4. Step 4: Simplify right side
    114,784.90x = 14,663,431,072.10
  5. Step 5: Solve for x
    x = 14,663,431,072.10/114,784.90
  6. Step 6: Final answer
    x = 127,747.04

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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.