Home / 140,089.41-193,339.89-79,669.08

Finding the Fourth Proportional to 140,089.41, 193,339.89 and 79,669.08

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Solution

The fourth proportional to 140,089.41, 193,339.89 and 79,669.08 is: 109,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,089.41 : 193,339.89 = 79,669.08 : x
  2. Step 2: Convert to fraction form
    140,089.41/193,339.89 = 79,669.08/x
  3. Step 3: Cross multiply
    140,089.41x = 193,339.89 × 79,669.08
  4. Step 4: Simplify right side
    140,089.41x = 15,403,211,163.60
  5. Step 5: Solve for x
    x = 15,403,211,163.60/140,089.41
  6. Step 6: Final answer
    x = 109,952.72

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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.