Home / 179,748.12-248,142.29-111,786.98

Finding the Fourth Proportional to 179,748.12, 248,142.29 and 111,786.98

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Solution

The fourth proportional to 179,748.12, 248,142.29 and 111,786.98 is: 154,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,748.12 : 248,142.29 = 111,786.98 : x
  2. Step 2: Convert to fraction form
    179,748.12/248,142.29 = 111,786.98/x
  3. Step 3: Cross multiply
    179,748.12x = 248,142.29 × 111,786.98
  4. Step 4: Simplify right side
    179,748.12x = 27,739,077,209.38
  5. Step 5: Solve for x
    x = 27,739,077,209.38/179,748.12
  6. Step 6: Final answer
    x = 154,321.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.