Home / 145,851.08-218,680.62-57,114.44

Finding the Fourth Proportional to 145,851.08, 218,680.62 and 57,114.44

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Solution

The fourth proportional to 145,851.08, 218,680.62 and 57,114.44 is: 85,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,851.08 : 218,680.62 = 57,114.44 : x
  2. Step 2: Convert to fraction form
    145,851.08/218,680.62 = 57,114.44/x
  3. Step 3: Cross multiply
    145,851.08x = 218,680.62 × 57,114.44
  4. Step 4: Simplify right side
    145,851.08x = 12,489,821,150.15
  5. Step 5: Solve for x
    x = 12,489,821,150.15/145,851.08
  6. Step 6: Final answer
    x = 85,634.07

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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.