Home / 207,660.91-286,572.06-112,167.60

Finding the Fourth Proportional to 207,660.91, 286,572.06 and 112,167.60

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Solution

The fourth proportional to 207,660.91, 286,572.06 and 112,167.60 is: 154,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,660.91 : 286,572.06 = 112,167.60 : x
  2. Step 2: Convert to fraction form
    207,660.91/286,572.06 = 112,167.60/x
  3. Step 3: Cross multiply
    207,660.91x = 286,572.06 × 112,167.60
  4. Step 4: Simplify right side
    207,660.91x = 32,144,101,812.27
  5. Step 5: Solve for x
    x = 32,144,101,812.27/207,660.91
  6. Step 6: Final answer
    x = 154,791.30

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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.