Home / 161,112.24-222,328.64-89,496.80

Finding the Fourth Proportional to 161,112.24, 222,328.64 and 89,496.80

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Solution

The fourth proportional to 161,112.24, 222,328.64 and 89,496.80 is: 123,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112.24 : 222,328.64 = 89,496.80 : x
  2. Step 2: Convert to fraction form
    161,112.24/222,328.64 = 89,496.80/x
  3. Step 3: Cross multiply
    161,112.24x = 222,328.64 × 89,496.80
  4. Step 4: Simplify right side
    161,112.24x = 19,897,701,828.35
  5. Step 5: Solve for x
    x = 19,897,701,828.35/161,112.24
  6. Step 6: Final answer
    x = 123,502.11

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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.