Home / 207,614.31-286,507.74-112,121.02

Finding the Fourth Proportional to 207,614.31, 286,507.74 and 112,121.02

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Solution

The fourth proportional to 207,614.31, 286,507.74 and 112,121.02 is: 154,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,614.31 : 286,507.74 = 112,121.02 : x
  2. Step 2: Convert to fraction form
    207,614.31/286,507.74 = 112,121.02/x
  3. Step 3: Cross multiply
    207,614.31x = 286,507.74 × 112,121.02
  4. Step 4: Simplify right side
    207,614.31x = 32,123,540,046.69
  5. Step 5: Solve for x
    x = 32,123,540,046.69/207,614.31
  6. Step 6: Final answer
    x = 154,727.00

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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.