Home / 107,550.15-148,330.33-90,254.62

Finding the Fourth Proportional to 107,550.15, 148,330.33 and 90,254.62

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Solution

The fourth proportional to 107,550.15, 148,330.33 and 90,254.62 is: 124,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,550.15 : 148,330.33 = 90,254.62 : x
  2. Step 2: Convert to fraction form
    107,550.15/148,330.33 = 90,254.62/x
  3. Step 3: Cross multiply
    107,550.15x = 148,330.33 × 90,254.62
  4. Step 4: Simplify right side
    107,550.15x = 13,387,497,568.62
  5. Step 5: Solve for x
    x = 13,387,497,568.62/107,550.15
  6. Step 6: Final answer
    x = 124,476.79

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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.