Home / 207,635.76-286,537.41-112,142.43

Finding the Fourth Proportional to 207,635.76, 286,537.41 and 112,142.43

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Solution

The fourth proportional to 207,635.76, 286,537.41 and 112,142.43 is: 154,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,635.76 : 286,537.41 = 112,142.43 : x
  2. Step 2: Convert to fraction form
    207,635.76/286,537.41 = 112,142.43/x
  3. Step 3: Cross multiply
    207,635.76x = 286,537.41 × 112,142.43
  4. Step 4: Simplify right side
    207,635.76x = 32,133,001,443.31
  5. Step 5: Solve for x
    x = 32,133,001,443.31/207,635.76
  6. Step 6: Final answer
    x = 154,756.59

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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.