Home / 161,171.85-222,403.77-88,570.92

Finding the Fourth Proportional to 161,171.85, 222,403.77 and 88,570.92

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Solution

The fourth proportional to 161,171.85, 222,403.77 and 88,570.92 is: 122,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,171.85 : 222,403.77 = 88,570.92 : x
  2. Step 2: Convert to fraction form
    161,171.85/222,403.77 = 88,570.92/x
  3. Step 3: Cross multiply
    161,171.85x = 222,403.77 × 88,570.92
  4. Step 4: Simplify right side
    161,171.85x = 19,698,506,520.37
  5. Step 5: Solve for x
    x = 19,698,506,520.37/161,171.85
  6. Step 6: Final answer
    x = 122,220.52

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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.