Home / 140,056.97-193,270.93-79,619.22

Finding the Fourth Proportional to 140,056.97, 193,270.93 and 79,619.22

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Solution

The fourth proportional to 140,056.97, 193,270.93 and 79,619.22 is: 109,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,056.97 : 193,270.93 = 79,619.22 : x
  2. Step 2: Convert to fraction form
    140,056.97/193,270.93 = 79,619.22/x
  3. Step 3: Cross multiply
    140,056.97x = 193,270.93 × 79,619.22
  4. Step 4: Simplify right side
    140,056.97x = 15,388,080,695.27
  5. Step 5: Solve for x
    x = 15,388,080,695.27/140,056.97
  6. Step 6: Final answer
    x = 109,870.15

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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.