Home / 386,618.40-579,937.32-150,014.16

Finding the Fourth Proportional to 386,618.40, 579,937.32 and 150,014.16

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Solution

The fourth proportional to 386,618.40, 579,937.32 and 150,014.16 is: 225,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,618.40 : 579,937.32 = 150,014.16 : x
  2. Step 2: Convert to fraction form
    386,618.40/579,937.32 = 150,014.16/x
  3. Step 3: Cross multiply
    386,618.40x = 579,937.32 × 150,014.16
  4. Step 4: Simplify right side
    386,618.40x = 86,998,809,912.45
  5. Step 5: Solve for x
    x = 86,998,809,912.45/386,618.40
  6. Step 6: Final answer
    x = 225,025.01

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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.