Home / 277,909.62-383,647.52-186,186.84

Finding the Fourth Proportional to 277,909.62, 383,647.52 and 186,186.84

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Solution

The fourth proportional to 277,909.62, 383,647.52 and 186,186.84 is: 257,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,909.62 : 383,647.52 = 186,186.84 : x
  2. Step 2: Convert to fraction form
    277,909.62/383,647.52 = 186,186.84/x
  3. Step 3: Cross multiply
    277,909.62x = 383,647.52 × 186,186.84
  4. Step 4: Simplify right side
    277,909.62x = 71,430,118,491.70
  5. Step 5: Solve for x
    x = 71,430,118,491.70/277,909.62
  6. Step 6: Final answer
    x = 257,026.43

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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.