Home / 107,868.96-161,686.56-55,206.24

Finding the Fourth Proportional to 107,868.96, 161,686.56 and 55,206.24

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Solution

The fourth proportional to 107,868.96, 161,686.56 and 55,206.24 is: 82,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,868.96 : 161,686.56 = 55,206.24 : x
  2. Step 2: Convert to fraction form
    107,868.96/161,686.56 = 55,206.24/x
  3. Step 3: Cross multiply
    107,868.96x = 161,686.56 × 55,206.24
  4. Step 4: Simplify right side
    107,868.96x = 8,926,107,036.13
  5. Step 5: Solve for x
    x = 8,926,107,036.13/107,868.96
  6. Step 6: Final answer
    x = 82,749.54

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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.