Home / 150,669.54-207,836.28-93,318.12

Finding the Fourth Proportional to 150,669.54, 207,836.28 and 93,318.12

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Solution

The fourth proportional to 150,669.54, 207,836.28 and 93,318.12 is: 128,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,669.54 : 207,836.28 = 93,318.12 : x
  2. Step 2: Convert to fraction form
    150,669.54/207,836.28 = 93,318.12/x
  3. Step 3: Cross multiply
    150,669.54x = 207,836.28 × 93,318.12
  4. Step 4: Simplify right side
    150,669.54x = 19,394,890,917.39
  5. Step 5: Solve for x
    x = 19,394,890,917.39/150,669.54
  6. Step 6: Final answer
    x = 128,724.70

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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.