Home / 161,188.48-222,442.32-89,567.20

Finding the Fourth Proportional to 161,188.48, 222,442.32 and 89,567.20

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Solution

The fourth proportional to 161,188.48, 222,442.32 and 89,567.20 is: 123,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,188.48 : 222,442.32 = 89,567.20 : x
  2. Step 2: Convert to fraction form
    161,188.48/222,442.32 = 89,567.20/x
  3. Step 3: Cross multiply
    161,188.48x = 222,442.32 × 89,567.20
  4. Step 4: Simplify right side
    161,188.48x = 19,923,535,763.90
  5. Step 5: Solve for x
    x = 19,923,535,763.90/161,188.48
  6. Step 6: Final answer
    x = 123,603.97

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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.