Home / 106,708.68-146,833.02-103,462.20

Finding the Fourth Proportional to 106,708.68, 146,833.02 and 103,462.20

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Solution

The fourth proportional to 106,708.68, 146,833.02 and 103,462.20 is: 142,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,708.68 : 146,833.02 = 103,462.20 : x
  2. Step 2: Convert to fraction form
    106,708.68/146,833.02 = 103,462.20/x
  3. Step 3: Cross multiply
    106,708.68x = 146,833.02 × 103,462.20
  4. Step 4: Simplify right side
    106,708.68x = 15,191,667,281.84
  5. Step 5: Solve for x
    x = 15,191,667,281.84/106,708.68
  6. Step 6: Final answer
    x = 142,365.81

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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.