Home / 266,766.53-399,705.48-187,714.67

Finding the Fourth Proportional to 266,766.53, 399,705.48 and 187,714.67

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Solution

The fourth proportional to 266,766.53, 399,705.48 and 187,714.67 is: 281,259.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,766.53 : 399,705.48 = 187,714.67 : x
  2. Step 2: Convert to fraction form
    266,766.53/399,705.48 = 187,714.67/x
  3. Step 3: Cross multiply
    266,766.53x = 399,705.48 × 187,714.67
  4. Step 4: Simplify right side
    266,766.53x = 75,030,580,276.86
  5. Step 5: Solve for x
    x = 75,030,580,276.86/266,766.53
  6. Step 6: Final answer
    x = 281,259.35

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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.