Home / 161,966.22-223,511.86-89,369.78

Finding the Fourth Proportional to 161,966.22, 223,511.86 and 89,369.78

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Solution

The fourth proportional to 161,966.22, 223,511.86 and 89,369.78 is: 123,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,966.22 : 223,511.86 = 89,369.78 : x
  2. Step 2: Convert to fraction form
    161,966.22/223,511.86 = 89,369.78/x
  3. Step 3: Cross multiply
    161,966.22x = 223,511.86 × 89,369.78
  4. Step 4: Simplify right side
    161,966.22x = 19,975,205,755.59
  5. Step 5: Solve for x
    x = 19,975,205,755.59/161,966.22
  6. Step 6: Final answer
    x = 123,329.46

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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.