Home / 177,821.40-266,732.10-114,835.80

Finding the Fourth Proportional to 177,821.40, 266,732.10 and 114,835.80

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Solution

The fourth proportional to 177,821.40, 266,732.10 and 114,835.80 is: 172,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,821.40 : 266,732.10 = 114,835.80 : x
  2. Step 2: Convert to fraction form
    177,821.40/266,732.10 = 114,835.80/x
  3. Step 3: Cross multiply
    177,821.40x = 266,732.10 × 114,835.80
  4. Step 4: Simplify right side
    177,821.40x = 30,630,394,089.18
  5. Step 5: Solve for x
    x = 30,630,394,089.18/177,821.40
  6. Step 6: Final answer
    x = 172,253.70

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1.5x scale

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.