Home / 159,861.69-239,740.61-53,217.00

Finding the Fourth Proportional to 159,861.69, 239,740.61 and 53,217.00

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Solution

The fourth proportional to 159,861.69, 239,740.61 and 53,217.00 is: 79,808.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,861.69 : 239,740.61 = 53,217.00 : x
  2. Step 2: Convert to fraction form
    159,861.69/239,740.61 = 53,217.00/x
  3. Step 3: Cross multiply
    159,861.69x = 239,740.61 × 53,217.00
  4. Step 4: Simplify right side
    159,861.69x = 12,758,274,843.67
  5. Step 5: Solve for x
    x = 12,758,274,843.67/159,861.69
  6. Step 6: Final answer
    x = 79,808.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.