Home / 277,542.90-383,010.57-156,689.10

Finding the Fourth Proportional to 277,542.90, 383,010.57 and 156,689.10

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Solution

The fourth proportional to 277,542.90, 383,010.57 and 156,689.10 is: 216,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,542.90 : 383,010.57 = 156,689.10 : x
  2. Step 2: Convert to fraction form
    277,542.90/383,010.57 = 156,689.10/x
  3. Step 3: Cross multiply
    277,542.90x = 383,010.57 × 156,689.10
  4. Step 4: Simplify right side
    277,542.90x = 60,013,581,503.79
  5. Step 5: Solve for x
    x = 60,013,581,503.79/277,542.90
  6. Step 6: Final answer
    x = 216,231.73

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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.