Home / 140,624.39-193,859.94-100,268.17

Finding the Fourth Proportional to 140,624.39, 193,859.94 and 100,268.17

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Solution

The fourth proportional to 140,624.39, 193,859.94 and 100,268.17 is: 138,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,624.39 : 193,859.94 = 100,268.17 : x
  2. Step 2: Convert to fraction form
    140,624.39/193,859.94 = 100,268.17/x
  3. Step 3: Cross multiply
    140,624.39x = 193,859.94 × 100,268.17
  4. Step 4: Simplify right side
    140,624.39x = 19,437,981,420.11
  5. Step 5: Solve for x
    x = 19,437,981,420.11/140,624.39
  6. Step 6: Final answer
    x = 138,226.25

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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.