Home / 140,089.59-193,322.73-79,660.23

Finding the Fourth Proportional to 140,089.59, 193,322.73 and 79,660.23

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Solution

The fourth proportional to 140,089.59, 193,322.73 and 79,660.23 is: 109,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,089.59 : 193,322.73 = 79,660.23 : x
  2. Step 2: Convert to fraction form
    140,089.59/193,322.73 = 79,660.23/x
  3. Step 3: Cross multiply
    140,089.59x = 193,322.73 × 79,660.23
  4. Step 4: Simplify right side
    140,089.59x = 15,400,133,136.03
  5. Step 5: Solve for x
    x = 15,400,133,136.03/140,089.59
  6. Step 6: Final answer
    x = 109,930.60

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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.