Home / 155,401.92-233,168.44-99,305.28

Finding the Fourth Proportional to 155,401.92, 233,168.44 and 99,305.28

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Solution

The fourth proportional to 155,401.92, 233,168.44 and 99,305.28 is: 148,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,401.92 : 233,168.44 = 99,305.28 : x
  2. Step 2: Convert to fraction form
    155,401.92/233,168.44 = 99,305.28/x
  3. Step 3: Cross multiply
    155,401.92x = 233,168.44 × 99,305.28
  4. Step 4: Simplify right side
    155,401.92x = 23,154,857,221.36
  5. Step 5: Solve for x
    x = 23,154,857,221.36/155,401.92
  6. Step 6: Final answer
    x = 148,999.81

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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.