Home / 164,439-226,927.44-88,989.12

Finding the Fourth Proportional to 164,439, 226,927.44 and 88,989.12

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Solution

The fourth proportional to 164,439, 226,927.44 and 88,989.12 is: 122,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,439 : 226,927.44 = 88,989.12 : x
  2. Step 2: Convert to fraction form
    164,439/226,927.44 = 88,989.12/x
  3. Step 3: Cross multiply
    164,439x = 226,927.44 × 88,989.12
  4. Step 4: Simplify right side
    164,439x = 20,194,073,189.45
  5. Step 5: Solve for x
    x = 20,194,073,189.45/164,439
  6. Step 6: Final answer
    x = 122,805.86

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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.