Home / 277,625.20-416,437.80-100,159.60

Finding the Fourth Proportional to 277,625.20, 416,437.80 and 100,159.60

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Solution

The fourth proportional to 277,625.20, 416,437.80 and 100,159.60 is: 150,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,625.20 : 416,437.80 = 100,159.60 : x
  2. Step 2: Convert to fraction form
    277,625.20/416,437.80 = 100,159.60/x
  3. Step 3: Cross multiply
    277,625.20x = 416,437.80 × 100,159.60
  4. Step 4: Simplify right side
    277,625.20x = 41,710,243,472.88
  5. Step 5: Solve for x
    x = 41,710,243,472.88/277,625.20
  6. Step 6: Final answer
    x = 150,239.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.