Home / 107,130.08-147,789.81-75,317.73

Finding the Fourth Proportional to 107,130.08, 147,789.81 and 75,317.73

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Solution

The fourth proportional to 107,130.08, 147,789.81 and 75,317.73 is: 103,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.08 : 147,789.81 = 75,317.73 : x
  2. Step 2: Convert to fraction form
    107,130.08/147,789.81 = 75,317.73/x
  3. Step 3: Cross multiply
    107,130.08x = 147,789.81 × 75,317.73
  4. Step 4: Simplify right side
    107,130.08x = 11,131,193,006.33
  5. Step 5: Solve for x
    x = 11,131,193,006.33/107,130.08
  6. Step 6: Final answer
    x = 103,903.53

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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.