Home / 161,411.58-222,655.77-96,863.49

Finding the Fourth Proportional to 161,411.58, 222,655.77 and 96,863.49

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Solution

The fourth proportional to 161,411.58, 222,655.77 and 96,863.49 is: 133,616.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,411.58 : 222,655.77 = 96,863.49 : x
  2. Step 2: Convert to fraction form
    161,411.58/222,655.77 = 96,863.49/x
  3. Step 3: Cross multiply
    161,411.58x = 222,655.77 × 96,863.49
  4. Step 4: Simplify right side
    161,411.58x = 21,567,214,950.84
  5. Step 5: Solve for x
    x = 21,567,214,950.84/161,411.58
  6. Step 6: Final answer
    x = 133,616.28

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1.5x scale

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.