Home / 140,019.79-193,232.42-79,600.63

Finding the Fourth Proportional to 140,019.79, 193,232.42 and 79,600.63

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Solution

The fourth proportional to 140,019.79, 193,232.42 and 79,600.63 is: 109,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,019.79 : 193,232.42 = 79,600.63 : x
  2. Step 2: Convert to fraction form
    140,019.79/193,232.42 = 79,600.63/x
  3. Step 3: Cross multiply
    140,019.79x = 193,232.42 × 79,600.63
  4. Step 4: Simplify right side
    140,019.79x = 15,381,422,368.42
  5. Step 5: Solve for x
    x = 15,381,422,368.42/140,019.79
  6. Step 6: Final answer
    x = 109,851.77

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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.