Home / 271,056.38-374,063.20-157,886.42

Finding the Fourth Proportional to 271,056.38, 374,063.20 and 157,886.42

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Solution

The fourth proportional to 271,056.38, 374,063.20 and 157,886.42 is: 217,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,056.38 : 374,063.20 = 157,886.42 : x
  2. Step 2: Convert to fraction form
    271,056.38/374,063.20 = 157,886.42/x
  3. Step 3: Cross multiply
    271,056.38x = 374,063.20 × 157,886.42
  4. Step 4: Simplify right side
    271,056.38x = 59,059,497,236.71
  5. Step 5: Solve for x
    x = 59,059,497,236.71/271,056.38
  6. Step 6: Final answer
    x = 217,886.40

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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.