Home / 111,412.48-167,146.38-55,278.94

Finding the Fourth Proportional to 111,412.48, 167,146.38 and 55,278.94

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Solution

The fourth proportional to 111,412.48, 167,146.38 and 55,278.94 is: 82,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,412.48 : 167,146.38 = 55,278.94 : x
  2. Step 2: Convert to fraction form
    111,412.48/167,146.38 = 55,278.94/x
  3. Step 3: Cross multiply
    111,412.48x = 167,146.38 × 55,278.94
  4. Step 4: Simplify right side
    111,412.48x = 9,239,674,711.24
  5. Step 5: Solve for x
    x = 9,239,674,711.24/111,412.48
  6. Step 6: Final answer
    x = 82,932.13

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1.5x scale

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.