Home / 157,640.16-236,453.64-73,371.36

Finding the Fourth Proportional to 157,640.16, 236,453.64 and 73,371.36

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Solution

The fourth proportional to 157,640.16, 236,453.64 and 73,371.36 is: 110,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,640.16 : 236,453.64 = 73,371.36 : x
  2. Step 2: Convert to fraction form
    157,640.16/236,453.64 = 73,371.36/x
  3. Step 3: Cross multiply
    157,640.16x = 236,453.64 × 73,371.36
  4. Step 4: Simplify right side
    157,640.16x = 17,348,925,143.75
  5. Step 5: Solve for x
    x = 17,348,925,143.75/157,640.16
  6. Step 6: Final answer
    x = 110,053.97

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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.