Home / 150,639.90-225,820.32-55,817.25

Finding the Fourth Proportional to 150,639.90, 225,820.32 and 55,817.25

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Solution

The fourth proportional to 150,639.90, 225,820.32 and 55,817.25 is: 83,674.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,639.90 : 225,820.32 = 55,817.25 : x
  2. Step 2: Convert to fraction form
    150,639.90/225,820.32 = 55,817.25/x
  3. Step 3: Cross multiply
    150,639.90x = 225,820.32 × 55,817.25
  4. Step 4: Simplify right side
    150,639.90x = 12,604,669,256.52
  5. Step 5: Solve for x
    x = 12,604,669,256.52/150,639.90
  6. Step 6: Final answer
    x = 83,674.17

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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.