Home / 271,191.78-374,254.02-163,740.42

Finding the Fourth Proportional to 271,191.78, 374,254.02 and 163,740.42

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Solution

The fourth proportional to 271,191.78, 374,254.02 and 163,740.42 is: 225,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,191.78 : 374,254.02 = 163,740.42 : x
  2. Step 2: Convert to fraction form
    271,191.78/374,254.02 = 163,740.42/x
  3. Step 3: Cross multiply
    271,191.78x = 374,254.02 × 163,740.42
  4. Step 4: Simplify right side
    271,191.78x = 61,280,510,421.49
  5. Step 5: Solve for x
    x = 61,280,510,421.49/271,191.78
  6. Step 6: Final answer
    x = 225,967.43

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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.