Home / 247,829.47-371,743.53-70,336.65

Finding the Fourth Proportional to 247,829.47, 371,743.53 and 70,336.65

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Solution

The fourth proportional to 247,829.47, 371,743.53 and 70,336.65 is: 105,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,829.47 : 371,743.53 = 70,336.65 : x
  2. Step 2: Convert to fraction form
    247,829.47/371,743.53 = 70,336.65/x
  3. Step 3: Cross multiply
    247,829.47x = 371,743.53 × 70,336.65
  4. Step 4: Simplify right side
    247,829.47x = 26,147,195,689.65
  5. Step 5: Solve for x
    x = 26,147,195,689.65/247,829.47
  6. Step 6: Final answer
    x = 105,504.79

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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.