Home / 107,445.03-148,120.16-75,514.83

Finding the Fourth Proportional to 107,445.03, 148,120.16 and 75,514.83

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Solution

The fourth proportional to 107,445.03, 148,120.16 and 75,514.83 is: 104,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.03 : 148,120.16 = 75,514.83 : x
  2. Step 2: Convert to fraction form
    107,445.03/148,120.16 = 75,514.83/x
  3. Step 3: Cross multiply
    107,445.03x = 148,120.16 × 75,514.83
  4. Step 4: Simplify right side
    107,445.03x = 11,185,268,324.40
  5. Step 5: Solve for x
    x = 11,185,268,324.40/107,445.03
  6. Step 6: Final answer
    x = 104,102.24

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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.