Home / 161,825.16-223,227.27-101,290.71

Finding the Fourth Proportional to 161,825.16, 223,227.27 and 101,290.71

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Solution

The fourth proportional to 161,825.16, 223,227.27 and 101,290.71 is: 139,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,825.16 : 223,227.27 = 101,290.71 : x
  2. Step 2: Convert to fraction form
    161,825.16/223,227.27 = 101,290.71/x
  3. Step 3: Cross multiply
    161,825.16x = 223,227.27 × 101,290.71
  4. Step 4: Simplify right side
    161,825.16x = 22,610,848,669.66
  5. Step 5: Solve for x
    x = 22,610,848,669.66/161,825.16
  6. Step 6: Final answer
    x = 139,723.94

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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.