Home / 207,320.92-286,099.70-115,439.58

Finding the Fourth Proportional to 207,320.92, 286,099.70 and 115,439.58

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Solution

The fourth proportional to 207,320.92, 286,099.70 and 115,439.58 is: 159,304.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,320.92 : 286,099.70 = 115,439.58 : x
  2. Step 2: Convert to fraction form
    207,320.92/286,099.70 = 115,439.58/x
  3. Step 3: Cross multiply
    207,320.92x = 286,099.70 × 115,439.58
  4. Step 4: Simplify right side
    207,320.92x = 33,027,228,628.93
  5. Step 5: Solve for x
    x = 33,027,228,628.93/207,320.92
  6. Step 6: Final answer
    x = 159,304.85

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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.