Home / 161,009.54-222,188.84-96,515.21

Finding the Fourth Proportional to 161,009.54, 222,188.84 and 96,515.21

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Solution

The fourth proportional to 161,009.54, 222,188.84 and 96,515.21 is: 133,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,009.54 : 222,188.84 = 96,515.21 : x
  2. Step 2: Convert to fraction form
    161,009.54/222,188.84 = 96,515.21/x
  3. Step 3: Cross multiply
    161,009.54x = 222,188.84 × 96,515.21
  4. Step 4: Simplify right side
    161,009.54x = 21,444,602,552.26
  5. Step 5: Solve for x
    x = 21,444,602,552.26/161,009.54
  6. Step 6: Final answer
    x = 133,188.40

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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.