Home / 161,436.36-222,782.30-89,816.43

Finding the Fourth Proportional to 161,436.36, 222,782.30 and 89,816.43

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Solution

The fourth proportional to 161,436.36, 222,782.30 and 89,816.43 is: 123,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,436.36 : 222,782.30 = 89,816.43 : x
  2. Step 2: Convert to fraction form
    161,436.36/222,782.30 = 89,816.43/x
  3. Step 3: Cross multiply
    161,436.36x = 222,782.30 × 89,816.43
  4. Step 4: Simplify right side
    161,436.36x = 20,009,510,853.19
  5. Step 5: Solve for x
    x = 20,009,510,853.19/161,436.36
  6. Step 6: Final answer
    x = 123,946.74

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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.