Home / 140,207.44-193,483.68-79,776.76

Finding the Fourth Proportional to 140,207.44, 193,483.68 and 79,776.76

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Solution

The fourth proportional to 140,207.44, 193,483.68 and 79,776.76 is: 110,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.44 : 193,483.68 = 79,776.76 : x
  2. Step 2: Convert to fraction form
    140,207.44/193,483.68 = 79,776.76/x
  3. Step 3: Cross multiply
    140,207.44x = 193,483.68 × 79,776.76
  4. Step 4: Simplify right side
    140,207.44x = 15,435,501,103.28
  5. Step 5: Solve for x
    x = 15,435,501,103.28/140,207.44
  6. Step 6: Final answer
    x = 110,090.46

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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.