Home / 135,345.68-186,799.32-92,869.28

Finding the Fourth Proportional to 135,345.68, 186,799.32 and 92,869.28

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Solution

The fourth proportional to 135,345.68, 186,799.32 and 92,869.28 is: 128,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,345.68 : 186,799.32 = 92,869.28 : x
  2. Step 2: Convert to fraction form
    135,345.68/186,799.32 = 92,869.28/x
  3. Step 3: Cross multiply
    135,345.68x = 186,799.32 × 92,869.28
  4. Step 4: Simplify right side
    135,345.68x = 17,347,918,352.89
  5. Step 5: Solve for x
    x = 17,347,918,352.89/135,345.68
  6. Step 6: Final answer
    x = 128,174.90

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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.