Home / 247,790.35-371,699.66-70,283.41

Finding the Fourth Proportional to 247,790.35, 371,699.66 and 70,283.41

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Solution

The fourth proportional to 247,790.35, 371,699.66 and 70,283.41 is: 105,429.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,790.35 : 371,699.66 = 70,283.41 : x
  2. Step 2: Convert to fraction form
    247,790.35/371,699.66 = 70,283.41/x
  3. Step 3: Cross multiply
    247,790.35x = 371,699.66 × 70,283.41
  4. Step 4: Simplify right side
    247,790.35x = 26,124,319,600.64
  5. Step 5: Solve for x
    x = 26,124,319,600.64/247,790.35
  6. Step 6: Final answer
    x = 105,429.12

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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.