Home / 140,380.78-193,397.07-97,863.34

Finding the Fourth Proportional to 140,380.78, 193,397.07 and 97,863.34

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Solution

The fourth proportional to 140,380.78, 193,397.07 and 97,863.34 is: 134,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,380.78 : 193,397.07 = 97,863.34 : x
  2. Step 2: Convert to fraction form
    140,380.78/193,397.07 = 97,863.34/x
  3. Step 3: Cross multiply
    140,380.78x = 193,397.07 × 97,863.34
  4. Step 4: Simplify right side
    140,380.78x = 18,926,483,216.41
  5. Step 5: Solve for x
    x = 18,926,483,216.41/140,380.78
  6. Step 6: Final answer
    x = 134,822.47

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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.