Home / 252,810.69-379,238.72-65,823.81

Finding the Fourth Proportional to 252,810.69, 379,238.72 and 65,823.81

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Solution

The fourth proportional to 252,810.69, 379,238.72 and 65,823.81 is: 98,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,810.69 : 379,238.72 = 65,823.81 : x
  2. Step 2: Convert to fraction form
    252,810.69/379,238.72 = 65,823.81/x
  3. Step 3: Cross multiply
    252,810.69x = 379,238.72 × 65,823.81
  4. Step 4: Simplify right side
    252,810.69x = 24,962,937,120.80
  5. Step 5: Solve for x
    x = 24,962,937,120.80/252,810.69
  6. Step 6: Final answer
    x = 98,741.62

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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.