Home / 177,784.20-266,714.70-53,137.80

Finding the Fourth Proportional to 177,784.20, 266,714.70 and 53,137.80

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Solution

The fourth proportional to 177,784.20, 266,714.70 and 53,137.80 is: 79,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.20 : 266,714.70 = 53,137.80 : x
  2. Step 2: Convert to fraction form
    177,784.20/266,714.70 = 53,137.80/x
  3. Step 3: Cross multiply
    177,784.20x = 266,714.70 × 53,137.80
  4. Step 4: Simplify right side
    177,784.20x = 14,172,632,385.66
  5. Step 5: Solve for x
    x = 14,172,632,385.66/177,784.20
  6. Step 6: Final answer
    x = 79,718.18

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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.