Home / 162,391.07-224,090.56-89,789.73

Finding the Fourth Proportional to 162,391.07, 224,090.56 and 89,789.73

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Solution

The fourth proportional to 162,391.07, 224,090.56 and 89,789.73 is: 123,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,391.07 : 224,090.56 = 89,789.73 : x
  2. Step 2: Convert to fraction form
    162,391.07/224,090.56 = 89,789.73/x
  3. Step 3: Cross multiply
    162,391.07x = 224,090.56 × 89,789.73
  4. Step 4: Simplify right side
    162,391.07x = 20,121,031,441.11
  5. Step 5: Solve for x
    x = 20,121,031,441.11/162,391.07
  6. Step 6: Final answer
    x = 123,904.79

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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.