Home / 277,539.90-383,006.43-156,686.10

Finding the Fourth Proportional to 277,539.90, 383,006.43 and 156,686.10

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Solution

The fourth proportional to 277,539.90, 383,006.43 and 156,686.10 is: 216,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,539.90 : 383,006.43 = 156,686.10 : x
  2. Step 2: Convert to fraction form
    277,539.90/383,006.43 = 156,686.10/x
  3. Step 3: Cross multiply
    277,539.90x = 383,006.43 × 156,686.10
  4. Step 4: Simplify right side
    277,539.90x = 60,011,783,791.62
  5. Step 5: Solve for x
    x = 60,011,783,791.62/277,539.90
  6. Step 6: Final answer
    x = 216,227.59

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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.