Home / 256,017.14-384,025.89-87,538.73

Finding the Fourth Proportional to 256,017.14, 384,025.89 and 87,538.73

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Solution

The fourth proportional to 256,017.14, 384,025.89 and 87,538.73 is: 131,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,017.14 : 384,025.89 = 87,538.73 : x
  2. Step 2: Convert to fraction form
    256,017.14/384,025.89 = 87,538.73/x
  3. Step 3: Cross multiply
    256,017.14x = 384,025.89 × 87,538.73
  4. Step 4: Simplify right side
    256,017.14x = 33,617,138,545.96
  5. Step 5: Solve for x
    x = 33,617,138,545.96/256,017.14
  6. Step 6: Final answer
    x = 131,308.16

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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.