Home / 147,720.01-203,947.89-120,560.97

Finding the Fourth Proportional to 147,720.01, 203,947.89 and 120,560.97

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Solution

The fourth proportional to 147,720.01, 203,947.89 and 120,560.97 is: 166,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,720.01 : 203,947.89 = 120,560.97 : x
  2. Step 2: Convert to fraction form
    147,720.01/203,947.89 = 120,560.97/x
  3. Step 3: Cross multiply
    147,720.01x = 203,947.89 × 120,560.97
  4. Step 4: Simplify right side
    147,720.01x = 24,588,155,447.85
  5. Step 5: Solve for x
    x = 24,588,155,447.85/147,720.01
  6. Step 6: Final answer
    x = 166,451.08

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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.