Home / 157,727.26-217,663.41-101,138.50

Finding the Fourth Proportional to 157,727.26, 217,663.41 and 101,138.50

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Solution

The fourth proportional to 157,727.26, 217,663.41 and 101,138.50 is: 139,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,727.26 : 217,663.41 = 101,138.50 : x
  2. Step 2: Convert to fraction form
    157,727.26/217,663.41 = 101,138.50/x
  3. Step 3: Cross multiply
    157,727.26x = 217,663.41 × 101,138.50
  4. Step 4: Simplify right side
    157,727.26x = 22,014,150,792.29
  5. Step 5: Solve for x
    x = 22,014,150,792.29/157,727.26
  6. Step 6: Final answer
    x = 139,571.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.