Home / 207,632.97-286,533.41-112,139.69

Finding the Fourth Proportional to 207,632.97, 286,533.41 and 112,139.69

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Solution

The fourth proportional to 207,632.97, 286,533.41 and 112,139.69 is: 154,752.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,632.97 : 286,533.41 = 112,139.69 : x
  2. Step 2: Convert to fraction form
    207,632.97/286,533.41 = 112,139.69/x
  3. Step 3: Cross multiply
    207,632.97x = 286,533.41 × 112,139.69
  4. Step 4: Simplify right side
    207,632.97x = 32,131,765,778.68
  5. Step 5: Solve for x
    x = 32,131,765,778.68/207,632.97
  6. Step 6: Final answer
    x = 154,752.71

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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.