Home / 158,987.80-219,355.32-95,302.36

Finding the Fourth Proportional to 158,987.80, 219,355.32 and 95,302.36

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Solution

The fourth proportional to 158,987.80, 219,355.32 and 95,302.36 is: 131,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,987.80 : 219,355.32 = 95,302.36 : x
  2. Step 2: Convert to fraction form
    158,987.80/219,355.32 = 95,302.36/x
  3. Step 3: Cross multiply
    158,987.80x = 219,355.32 × 95,302.36
  4. Step 4: Simplify right side
    158,987.80x = 20,905,079,674.56
  5. Step 5: Solve for x
    x = 20,905,079,674.56/158,987.80
  6. Step 6: Final answer
    x = 131,488.58

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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.