Home / 225,799.35-311,460.28-145,088.11

Finding the Fourth Proportional to 225,799.35, 311,460.28 and 145,088.11

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Solution

The fourth proportional to 225,799.35, 311,460.28 and 145,088.11 is: 200,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,799.35 : 311,460.28 = 145,088.11 : x
  2. Step 2: Convert to fraction form
    225,799.35/311,460.28 = 145,088.11/x
  3. Step 3: Cross multiply
    225,799.35x = 311,460.28 × 145,088.11
  4. Step 4: Simplify right side
    225,799.35x = 45,189,183,365.27
  5. Step 5: Solve for x
    x = 45,189,183,365.27/225,799.35
  6. Step 6: Final answer
    x = 200,129.82

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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.