Home / 163,605.28-226,177.80-162,108.40

Finding the Fourth Proportional to 163,605.28, 226,177.80 and 162,108.40

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Solution

The fourth proportional to 163,605.28, 226,177.80 and 162,108.40 is: 224,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,605.28 : 226,177.80 = 162,108.40 : x
  2. Step 2: Convert to fraction form
    163,605.28/226,177.80 = 162,108.40/x
  3. Step 3: Cross multiply
    163,605.28x = 226,177.80 × 162,108.40
  4. Step 4: Simplify right side
    163,605.28x = 36,665,321,273.52
  5. Step 5: Solve for x
    x = 36,665,321,273.52/163,605.28
  6. Step 6: Final answer
    x = 224,108.42

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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.