Home / 181,277.16-271,915.82-68,931.44

Finding the Fourth Proportional to 181,277.16, 271,915.82 and 68,931.44

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Solution

The fourth proportional to 181,277.16, 271,915.82 and 68,931.44 is: 103,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,277.16 : 271,915.82 = 68,931.44 : x
  2. Step 2: Convert to fraction form
    181,277.16/271,915.82 = 68,931.44/x
  3. Step 3: Cross multiply
    181,277.16x = 271,915.82 × 68,931.44
  4. Step 4: Simplify right side
    181,277.16x = 18,743,549,031.38
  5. Step 5: Solve for x
    x = 18,743,549,031.38/181,277.16
  6. Step 6: Final answer
    x = 103,397.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.