Home / 140,076.06-193,314.09-79,652.32

Finding the Fourth Proportional to 140,076.06, 193,314.09 and 79,652.32

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Solution

The fourth proportional to 140,076.06, 193,314.09 and 79,652.32 is: 109,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,076.06 : 193,314.09 = 79,652.32 : x
  2. Step 2: Convert to fraction form
    140,076.06/193,314.09 = 79,652.32/x
  3. Step 3: Cross multiply
    140,076.06x = 193,314.09 × 79,652.32
  4. Step 4: Simplify right side
    140,076.06x = 15,397,915,757.19
  5. Step 5: Solve for x
    x = 15,397,915,757.19/140,076.06
  6. Step 6: Final answer
    x = 109,925.39

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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.