Home / 159,204.18-219,610.53-99,484.50

Finding the Fourth Proportional to 159,204.18, 219,610.53 and 99,484.50

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Solution

The fourth proportional to 159,204.18, 219,610.53 and 99,484.50 is: 137,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,204.18 : 219,610.53 = 99,484.50 : x
  2. Step 2: Convert to fraction form
    159,204.18/219,610.53 = 99,484.50/x
  3. Step 3: Cross multiply
    159,204.18x = 219,610.53 × 99,484.50
  4. Step 4: Simplify right side
    159,204.18x = 21,847,843,771.79
  5. Step 5: Solve for x
    x = 21,847,843,771.79/159,204.18
  6. Step 6: Final answer
    x = 137,231.60

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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.