Home / 157,600.72-236,401.08-67,623.90

Finding the Fourth Proportional to 157,600.72, 236,401.08 and 67,623.90

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Solution

The fourth proportional to 157,600.72, 236,401.08 and 67,623.90 is: 101,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,600.72 : 236,401.08 = 67,623.90 : x
  2. Step 2: Convert to fraction form
    157,600.72/236,401.08 = 67,623.90/x
  3. Step 3: Cross multiply
    157,600.72x = 236,401.08 × 67,623.90
  4. Step 4: Simplify right side
    157,600.72x = 15,986,362,993.81
  5. Step 5: Solve for x
    x = 15,986,362,993.81/157,600.72
  6. Step 6: Final answer
    x = 101,435.85

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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.