Home / 519,228.34-778,836.22-134,943.15

Finding the Fourth Proportional to 519,228.34, 778,836.22 and 134,943.15

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Solution

The fourth proportional to 519,228.34, 778,836.22 and 134,943.15 is: 202,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,228.34 : 778,836.22 = 134,943.15 : x
  2. Step 2: Convert to fraction form
    519,228.34/778,836.22 = 134,943.15/x
  3. Step 3: Cross multiply
    519,228.34x = 778,836.22 × 134,943.15
  4. Step 4: Simplify right side
    519,228.34x = 105,098,612,860.89
  5. Step 5: Solve for x
    x = 105,098,612,860.89/519,228.34
  6. Step 6: Final answer
    x = 202,413.09

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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.