Home / 140,041.04-193,255.79-79,611.71

Finding the Fourth Proportional to 140,041.04, 193,255.79 and 79,611.71

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Solution

The fourth proportional to 140,041.04, 193,255.79 and 79,611.71 is: 109,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,041.04 : 193,255.79 = 79,611.71 : x
  2. Step 2: Convert to fraction form
    140,041.04/193,255.79 = 79,611.71/x
  3. Step 3: Cross multiply
    140,041.04x = 193,255.79 × 79,611.71
  4. Step 4: Simplify right side
    140,041.04x = 15,385,422,544.96
  5. Step 5: Solve for x
    x = 15,385,422,544.96/140,041.04
  6. Step 6: Final answer
    x = 109,863.67

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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.