Home / 162,237.52-223,885.78-90,620.56

Finding the Fourth Proportional to 162,237.52, 223,885.78 and 90,620.56

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Solution

The fourth proportional to 162,237.52, 223,885.78 and 90,620.56 is: 125,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,237.52 : 223,885.78 = 90,620.56 : x
  2. Step 2: Convert to fraction form
    162,237.52/223,885.78 = 90,620.56/x
  3. Step 3: Cross multiply
    162,237.52x = 223,885.78 × 90,620.56
  4. Step 4: Simplify right side
    162,237.52x = 20,288,654,759.64
  5. Step 5: Solve for x
    x = 20,288,654,759.64/162,237.52
  6. Step 6: Final answer
    x = 125,055.26

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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.