Home / 140,365.24-193,695.50-79,938.42

Finding the Fourth Proportional to 140,365.24, 193,695.50 and 79,938.42

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Solution

The fourth proportional to 140,365.24, 193,695.50 and 79,938.42 is: 110,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,365.24 : 193,695.50 = 79,938.42 : x
  2. Step 2: Convert to fraction form
    140,365.24/193,695.50 = 79,938.42/x
  3. Step 3: Cross multiply
    140,365.24x = 193,695.50 × 79,938.42
  4. Step 4: Simplify right side
    140,365.24x = 15,483,712,231.11
  5. Step 5: Solve for x
    x = 15,483,712,231.11/140,365.24
  6. Step 6: Final answer
    x = 110,310.16

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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.