Home / 578,104.19-867,135.44-151,636.61

Finding the Fourth Proportional to 578,104.19, 867,135.44 and 151,636.61

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Solution

The fourth proportional to 578,104.19, 867,135.44 and 151,636.61 is: 227,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,104.19 : 867,135.44 = 151,636.61 : x
  2. Step 2: Convert to fraction form
    578,104.19/867,135.44 = 151,636.61/x
  3. Step 3: Cross multiply
    578,104.19x = 867,135.44 × 151,636.61
  4. Step 4: Simplify right side
    578,104.19x = 131,489,473,438.60
  5. Step 5: Solve for x
    x = 131,489,473,438.60/578,104.19
  6. Step 6: Final answer
    x = 227,449.44

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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.