Home / 271,244.81-374,312.04-156,514.45

Finding the Fourth Proportional to 271,244.81, 374,312.04 and 156,514.45

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Solution

The fourth proportional to 271,244.81, 374,312.04 and 156,514.45 is: 215,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,244.81 : 374,312.04 = 156,514.45 : x
  2. Step 2: Convert to fraction form
    271,244.81/374,312.04 = 156,514.45/x
  3. Step 3: Cross multiply
    271,244.81x = 374,312.04 × 156,514.45
  4. Step 4: Simplify right side
    271,244.81x = 58,585,243,068.98
  5. Step 5: Solve for x
    x = 58,585,243,068.98/271,244.81
  6. Step 6: Final answer
    x = 215,986.60

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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.