Home / 157,605.22-217,495.25-101,016.59

Finding the Fourth Proportional to 157,605.22, 217,495.25 and 101,016.59

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Solution

The fourth proportional to 157,605.22, 217,495.25 and 101,016.59 is: 139,402.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,605.22 : 217,495.25 = 101,016.59 : x
  2. Step 2: Convert to fraction form
    157,605.22/217,495.25 = 101,016.59/x
  3. Step 3: Cross multiply
    157,605.22x = 217,495.25 × 101,016.59
  4. Step 4: Simplify right side
    157,605.22x = 21,970,628,496.20
  5. Step 5: Solve for x
    x = 21,970,628,496.20/157,605.22
  6. Step 6: Final answer
    x = 139,402.92

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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.