Home / 161,080.03-222,296.70-89,465.50

Finding the Fourth Proportional to 161,080.03, 222,296.70 and 89,465.50

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Solution

The fourth proportional to 161,080.03, 222,296.70 and 89,465.50 is: 123,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,080.03 : 222,296.70 = 89,465.50 : x
  2. Step 2: Convert to fraction form
    161,080.03/222,296.70 = 89,465.50/x
  3. Step 3: Cross multiply
    161,080.03x = 222,296.70 × 89,465.50
  4. Step 4: Simplify right side
    161,080.03x = 19,887,885,413.85
  5. Step 5: Solve for x
    x = 19,887,885,413.85/161,080.03
  6. Step 6: Final answer
    x = 123,465.87

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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.