Home / 161,966.35-223,513.41-90,346.33

Finding the Fourth Proportional to 161,966.35, 223,513.41 and 90,346.33

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Solution

The fourth proportional to 161,966.35, 223,513.41 and 90,346.33 is: 124,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,966.35 : 223,513.41 = 90,346.33 : x
  2. Step 2: Convert to fraction form
    161,966.35/223,513.41 = 90,346.33/x
  3. Step 3: Cross multiply
    161,966.35x = 223,513.41 × 90,346.33
  4. Step 4: Simplify right side
    161,966.35x = 20,193,616,299.29
  5. Step 5: Solve for x
    x = 20,193,616,299.29/161,966.35
  6. Step 6: Final answer
    x = 124,677.85

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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.