Home / 158,802.46-219,144.66-87,181.96

Finding the Fourth Proportional to 158,802.46, 219,144.66 and 87,181.96

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Solution

The fourth proportional to 158,802.46, 219,144.66 and 87,181.96 is: 120,309.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802.46 : 219,144.66 = 87,181.96 : x
  2. Step 2: Convert to fraction form
    158,802.46/219,144.66 = 87,181.96/x
  3. Step 3: Cross multiply
    158,802.46x = 219,144.66 × 87,181.96
  4. Step 4: Simplify right side
    158,802.46x = 19,105,462,056.79
  5. Step 5: Solve for x
    x = 19,105,462,056.79/158,802.46
  6. Step 6: Final answer
    x = 120,309.61

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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.