Home / 239,981.50-360,037.77-105,021.04

Finding the Fourth Proportional to 239,981.50, 360,037.77 and 105,021.04

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Solution

The fourth proportional to 239,981.50, 360,037.77 and 105,021.04 is: 157,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.50 : 360,037.77 = 105,021.04 : x
  2. Step 2: Convert to fraction form
    239,981.50/360,037.77 = 105,021.04/x
  3. Step 3: Cross multiply
    239,981.50x = 360,037.77 × 105,021.04
  4. Step 4: Simplify right side
    239,981.50x = 37,811,541,044.68
  5. Step 5: Solve for x
    x = 37,811,541,044.68/239,981.50
  6. Step 6: Final answer
    x = 157,560.23

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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.