Home / 140,450.30-193,838.44-79,208.16

Finding the Fourth Proportional to 140,450.30, 193,838.44 and 79,208.16

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Solution

The fourth proportional to 140,450.30, 193,838.44 and 79,208.16 is: 109,316.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,450.30 : 193,838.44 = 79,208.16 : x
  2. Step 2: Convert to fraction form
    140,450.30/193,838.44 = 79,208.16/x
  3. Step 3: Cross multiply
    140,450.30x = 193,838.44 × 79,208.16
  4. Step 4: Simplify right side
    140,450.30x = 15,353,586,169.67
  5. Step 5: Solve for x
    x = 15,353,586,169.67/140,450.30
  6. Step 6: Final answer
    x = 109,316.86

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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.