Home / 277,918.40-383,525.76-157,098.80

Finding the Fourth Proportional to 277,918.40, 383,525.76 and 157,098.80

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Solution

The fourth proportional to 277,918.40, 383,525.76 and 157,098.80 is: 216,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,918.40 : 383,525.76 = 157,098.80 : x
  2. Step 2: Convert to fraction form
    277,918.40/383,525.76 = 157,098.80/x
  3. Step 3: Cross multiply
    277,918.40x = 383,525.76 × 157,098.80
  4. Step 4: Simplify right side
    277,918.40x = 60,251,436,665.09
  5. Step 5: Solve for x
    x = 60,251,436,665.09/277,918.40
  6. Step 6: Final answer
    x = 216,795.42

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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.