Home / 207,620.28-286,516.04-112,127.00

Finding the Fourth Proportional to 207,620.28, 286,516.04 and 112,127.00

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Solution

The fourth proportional to 207,620.28, 286,516.04 and 112,127.00 is: 154,735.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,620.28 : 286,516.04 = 112,127.00 : x
  2. Step 2: Convert to fraction form
    207,620.28/286,516.04 = 112,127.00/x
  3. Step 3: Cross multiply
    207,620.28x = 286,516.04 × 112,127.00
  4. Step 4: Simplify right side
    207,620.28x = 32,126,183,635.52
  5. Step 5: Solve for x
    x = 32,126,183,635.52/207,620.28
  6. Step 6: Final answer
    x = 154,735.29

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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.