Home / 443,231.58-664,726.27-158,869.12

Finding the Fourth Proportional to 443,231.58, 664,726.27 and 158,869.12

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Solution

The fourth proportional to 443,231.58, 664,726.27 and 158,869.12 is: 238,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,231.58 : 664,726.27 = 158,869.12 : x
  2. Step 2: Convert to fraction form
    443,231.58/664,726.27 = 158,869.12/x
  3. Step 3: Cross multiply
    443,231.58x = 664,726.27 × 158,869.12
  4. Step 4: Simplify right side
    443,231.58x = 105,604,478,820.43
  5. Step 5: Solve for x
    x = 105,604,478,820.43/443,231.58
  6. Step 6: Final answer
    x = 238,260.28

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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.