Home / 140,074.04-193,294.30-79,636.16

Finding the Fourth Proportional to 140,074.04, 193,294.30 and 79,636.16

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Solution

The fourth proportional to 140,074.04, 193,294.30 and 79,636.16 is: 109,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.04 : 193,294.30 = 79,636.16 : x
  2. Step 2: Convert to fraction form
    140,074.04/193,294.30 = 79,636.16/x
  3. Step 3: Cross multiply
    140,074.04x = 193,294.30 × 79,636.16
  4. Step 4: Simplify right side
    140,074.04x = 15,393,214,636.33
  5. Step 5: Solve for x
    x = 15,393,214,636.33/140,074.04
  6. Step 6: Final answer
    x = 109,893.42

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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.