Home / 164,501.20-227,009.55-89,049.70

Finding the Fourth Proportional to 164,501.20, 227,009.55 and 89,049.70

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Solution

The fourth proportional to 164,501.20, 227,009.55 and 89,049.70 is: 122,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,501.20 : 227,009.55 = 89,049.70 : x
  2. Step 2: Convert to fraction form
    164,501.20/227,009.55 = 89,049.70/x
  3. Step 3: Cross multiply
    164,501.20x = 227,009.55 × 89,049.70
  4. Step 4: Simplify right side
    164,501.20x = 20,215,132,324.64
  5. Step 5: Solve for x
    x = 20,215,132,324.64/164,501.20
  6. Step 6: Final answer
    x = 122,887.45

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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.