Home / 277,012.23-382,253.90-156,183.23

Finding the Fourth Proportional to 277,012.23, 382,253.90 and 156,183.23

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Solution

The fourth proportional to 277,012.23, 382,253.90 and 156,183.23 is: 215,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,012.23 : 382,253.90 = 156,183.23 : x
  2. Step 2: Convert to fraction form
    277,012.23/382,253.90 = 156,183.23/x
  3. Step 3: Cross multiply
    277,012.23x = 382,253.90 × 156,183.23
  4. Step 4: Simplify right side
    277,012.23x = 59,701,646,089.91
  5. Step 5: Solve for x
    x = 59,701,646,089.91/277,012.23
  6. Step 6: Final answer
    x = 215,519.89

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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.