Home / 140,053.94-193,278.93-76,394.42

Finding the Fourth Proportional to 140,053.94, 193,278.93 and 76,394.42

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Solution

The fourth proportional to 140,053.94, 193,278.93 and 76,394.42 is: 105,426.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,053.94 : 193,278.93 = 76,394.42 : x
  2. Step 2: Convert to fraction form
    140,053.94/193,278.93 = 76,394.42/x
  3. Step 3: Cross multiply
    140,053.94x = 193,278.93 × 76,394.42
  4. Step 4: Simplify right side
    140,053.94x = 14,765,431,755.57
  5. Step 5: Solve for x
    x = 14,765,431,755.57/140,053.94
  6. Step 6: Final answer
    x = 105,426.75

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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.