Home / 166,079.88-248,999.13-66,210.12

Finding the Fourth Proportional to 166,079.88, 248,999.13 and 66,210.12

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Solution

The fourth proportional to 166,079.88, 248,999.13 and 66,210.12 is: 99,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,079.88 : 248,999.13 = 66,210.12 : x
  2. Step 2: Convert to fraction form
    166,079.88/248,999.13 = 66,210.12/x
  3. Step 3: Cross multiply
    166,079.88x = 248,999.13 × 66,210.12
  4. Step 4: Simplify right side
    166,079.88x = 16,486,262,277.20
  5. Step 5: Solve for x
    x = 16,486,262,277.20/166,079.88
  6. Step 6: Final answer
    x = 99,267.07

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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.