Home / 161,412.58-222,657.15-96,864.49

Finding the Fourth Proportional to 161,412.58, 222,657.15 and 96,864.49

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Solution

The fourth proportional to 161,412.58, 222,657.15 and 96,864.49 is: 133,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,412.58 : 222,657.15 = 96,864.49 : x
  2. Step 2: Convert to fraction form
    161,412.58/222,657.15 = 96,864.49/x
  3. Step 3: Cross multiply
    161,412.58x = 222,657.15 × 96,864.49
  4. Step 4: Simplify right side
    161,412.58x = 21,567,571,279.60
  5. Step 5: Solve for x
    x = 21,567,571,279.60/161,412.58
  6. Step 6: Final answer
    x = 133,617.66

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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.