Home / 171,360.04-256,998.66-66,111.88

Finding the Fourth Proportional to 171,360.04, 256,998.66 and 66,111.88

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Solution

The fourth proportional to 171,360.04, 256,998.66 and 66,111.88 is: 99,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,360.04 : 256,998.66 = 66,111.88 : x
  2. Step 2: Convert to fraction form
    171,360.04/256,998.66 = 66,111.88/x
  3. Step 3: Cross multiply
    171,360.04x = 256,998.66 × 66,111.88
  4. Step 4: Simplify right side
    171,360.04x = 16,990,664,570.08
  5. Step 5: Solve for x
    x = 16,990,664,570.08/171,360.04
  6. Step 6: Final answer
    x = 99,151.85

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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.