Home / 382,022.32-573,148.06-154,200.72

Finding the Fourth Proportional to 382,022.32, 573,148.06 and 154,200.72

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Solution

The fourth proportional to 382,022.32, 573,148.06 and 154,200.72 is: 231,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,022.32 : 573,148.06 = 154,200.72 : x
  2. Step 2: Convert to fraction form
    382,022.32/573,148.06 = 154,200.72/x
  3. Step 3: Cross multiply
    382,022.32x = 573,148.06 × 154,200.72
  4. Step 4: Simplify right side
    382,022.32x = 88,379,843,518.60
  5. Step 5: Solve for x
    x = 88,379,843,518.60/382,022.32
  6. Step 6: Final answer
    x = 231,347.33

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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.