Home / 107,673.15-148,647.20-75,506.48

Finding the Fourth Proportional to 107,673.15, 148,647.20 and 75,506.48

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Solution

The fourth proportional to 107,673.15, 148,647.20 and 75,506.48 is: 104,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,673.15 : 148,647.20 = 75,506.48 : x
  2. Step 2: Convert to fraction form
    107,673.15/148,647.20 = 75,506.48/x
  3. Step 3: Cross multiply
    107,673.15x = 148,647.20 × 75,506.48
  4. Step 4: Simplify right side
    107,673.15x = 11,223,826,695.24
  5. Step 5: Solve for x
    x = 11,223,826,695.24/107,673.15
  6. Step 6: Final answer
    x = 104,239.79

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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.