Home / 140,960.24-194,527.80-77,294.24

Finding the Fourth Proportional to 140,960.24, 194,527.80 and 77,294.24

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Solution

The fourth proportional to 140,960.24, 194,527.80 and 77,294.24 is: 106,667.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,960.24 : 194,527.80 = 77,294.24 : x
  2. Step 2: Convert to fraction form
    140,960.24/194,527.80 = 77,294.24/x
  3. Step 3: Cross multiply
    140,960.24x = 194,527.80 × 77,294.24
  4. Step 4: Simplify right side
    140,960.24x = 15,035,878,459.87
  5. Step 5: Solve for x
    x = 15,035,878,459.87/140,960.24
  6. Step 6: Final answer
    x = 106,667.51

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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.