Home / 247,106.78-370,526.94-133,315.58

Finding the Fourth Proportional to 247,106.78, 370,526.94 and 133,315.58

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Solution

The fourth proportional to 247,106.78, 370,526.94 and 133,315.58 is: 199,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,106.78 : 370,526.94 = 133,315.58 : x
  2. Step 2: Convert to fraction form
    247,106.78/370,526.94 = 133,315.58/x
  3. Step 3: Cross multiply
    247,106.78x = 370,526.94 × 133,315.58
  4. Step 4: Simplify right side
    247,106.78x = 49,397,013,911.73
  5. Step 5: Solve for x
    x = 49,397,013,911.73/247,106.78
  6. Step 6: Final answer
    x = 199,901.49

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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.