Home / 157,809.11-236,718.41-51,190.16

Finding the Fourth Proportional to 157,809.11, 236,718.41 and 51,190.16

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Solution

The fourth proportional to 157,809.11, 236,718.41 and 51,190.16 is: 76,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,809.11 : 236,718.41 = 51,190.16 : x
  2. Step 2: Convert to fraction form
    157,809.11/236,718.41 = 51,190.16/x
  3. Step 3: Cross multiply
    157,809.11x = 236,718.41 × 51,190.16
  4. Step 4: Simplify right side
    157,809.11x = 12,117,651,843.30
  5. Step 5: Solve for x
    x = 12,117,651,843.30/157,809.11
  6. Step 6: Final answer
    x = 76,786.77

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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.