Home / 157,183.61-235,643.16-68,370.22

Finding the Fourth Proportional to 157,183.61, 235,643.16 and 68,370.22

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Solution

The fourth proportional to 157,183.61, 235,643.16 and 68,370.22 is: 102,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,183.61 : 235,643.16 = 68,370.22 : x
  2. Step 2: Convert to fraction form
    157,183.61/235,643.16 = 68,370.22/x
  3. Step 3: Cross multiply
    157,183.61x = 235,643.16 × 68,370.22
  4. Step 4: Simplify right side
    157,183.61x = 16,110,974,690.70
  5. Step 5: Solve for x
    x = 16,110,974,690.70/157,183.61
  6. Step 6: Final answer
    x = 102,497.80

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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.