Home / 160,989.64-222,161.34-89,367.82

Finding the Fourth Proportional to 160,989.64, 222,161.34 and 89,367.82

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Solution

The fourth proportional to 160,989.64, 222,161.34 and 89,367.82 is: 123,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,989.64 : 222,161.34 = 89,367.82 : x
  2. Step 2: Convert to fraction form
    160,989.64/222,161.34 = 89,367.82/x
  3. Step 3: Cross multiply
    160,989.64x = 222,161.34 × 89,367.82
  4. Step 4: Simplify right side
    160,989.64x = 19,854,074,644.08
  5. Step 5: Solve for x
    x = 19,854,074,644.08/160,989.64
  6. Step 6: Final answer
    x = 123,325.17

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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.