Home / 202,320.56-303,091.36-126,448.76

Finding the Fourth Proportional to 202,320.56, 303,091.36 and 126,448.76

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Solution

The fourth proportional to 202,320.56, 303,091.36 and 126,448.76 is: 189,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.56 : 303,091.36 = 126,448.76 : x
  2. Step 2: Convert to fraction form
    202,320.56/303,091.36 = 126,448.76/x
  3. Step 3: Cross multiply
    202,320.56x = 303,091.36 × 126,448.76
  4. Step 4: Simplify right side
    202,320.56x = 38,325,526,638.71
  5. Step 5: Solve for x
    x = 38,325,526,638.71/202,320.56
  6. Step 6: Final answer
    x = 189,429.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.