Home / 151,284.54-208,800.66-87,622.32

Finding the Fourth Proportional to 151,284.54, 208,800.66 and 87,622.32

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Solution

The fourth proportional to 151,284.54, 208,800.66 and 87,622.32 is: 120,935.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,284.54 : 208,800.66 = 87,622.32 : x
  2. Step 2: Convert to fraction form
    151,284.54/208,800.66 = 87,622.32/x
  3. Step 3: Cross multiply
    151,284.54x = 208,800.66 × 87,622.32
  4. Step 4: Simplify right side
    151,284.54x = 18,295,598,246.73
  5. Step 5: Solve for x
    x = 18,295,598,246.73/151,284.54
  6. Step 6: Final answer
    x = 120,935.02

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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.