Home / 134,992.62-186,288.93-74,567.16

Finding the Fourth Proportional to 134,992.62, 186,288.93 and 74,567.16

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Solution

The fourth proportional to 134,992.62, 186,288.93 and 74,567.16 is: 102,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,992.62 : 186,288.93 = 74,567.16 : x
  2. Step 2: Convert to fraction form
    134,992.62/186,288.93 = 74,567.16/x
  3. Step 3: Cross multiply
    134,992.62x = 186,288.93 × 74,567.16
  4. Step 4: Simplify right side
    134,992.62x = 13,891,036,449.54
  5. Step 5: Solve for x
    x = 13,891,036,449.54/134,992.62
  6. Step 6: Final answer
    x = 102,902.19

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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.