Home / 158,410.62-218,606.66-86,793.36

Finding the Fourth Proportional to 158,410.62, 218,606.66 and 86,793.36

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Solution

The fourth proportional to 158,410.62, 218,606.66 and 86,793.36 is: 119,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,410.62 : 218,606.66 = 86,793.36 : x
  2. Step 2: Convert to fraction form
    158,410.62/218,606.66 = 86,793.36/x
  3. Step 3: Cross multiply
    158,410.62x = 218,606.66 × 86,793.36
  4. Step 4: Simplify right side
    158,410.62x = 18,973,606,539.78
  5. Step 5: Solve for x
    x = 18,973,606,539.78/158,410.62
  6. Step 6: Final answer
    x = 119,774.84

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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.