Home / 161,079.03-222,295.32-89,464.50

Finding the Fourth Proportional to 161,079.03, 222,295.32 and 89,464.50

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Solution

The fourth proportional to 161,079.03, 222,295.32 and 89,464.50 is: 123,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,079.03 : 222,295.32 = 89,464.50 : x
  2. Step 2: Convert to fraction form
    161,079.03/222,295.32 = 89,464.50/x
  3. Step 3: Cross multiply
    161,079.03x = 222,295.32 × 89,464.50
  4. Step 4: Simplify right side
    161,079.03x = 19,887,539,656.14
  5. Step 5: Solve for x
    x = 19,887,539,656.14/161,079.03
  6. Step 6: Final answer
    x = 123,464.49

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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.