Home / 230,273.30-317,772.36-128,298.35

Finding the Fourth Proportional to 230,273.30, 317,772.36 and 128,298.35

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Solution

The fourth proportional to 230,273.30, 317,772.36 and 128,298.35 is: 177,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,273.30 : 317,772.36 = 128,298.35 : x
  2. Step 2: Convert to fraction form
    230,273.30/317,772.36 = 128,298.35/x
  3. Step 3: Cross multiply
    230,273.30x = 317,772.36 × 128,298.35
  4. Step 4: Simplify right side
    230,273.30x = 40,769,667,874.74
  5. Step 5: Solve for x
    x = 40,769,667,874.74/230,273.30
  6. Step 6: Final answer
    x = 177,049.05

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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.