Home / 661,895.35-992,880.59-188,617.61

Finding the Fourth Proportional to 661,895.35, 992,880.59 and 188,617.61

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Solution

The fourth proportional to 661,895.35, 992,880.59 and 188,617.61 is: 282,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,895.35 : 992,880.59 = 188,617.61 : x
  2. Step 2: Convert to fraction form
    661,895.35/992,880.59 = 188,617.61/x
  3. Step 3: Cross multiply
    661,895.35x = 992,880.59 × 188,617.61
  4. Step 4: Simplify right side
    661,895.35x = 187,274,765,440.30
  5. Step 5: Solve for x
    x = 187,274,765,440.30/661,895.35
  6. Step 6: Final answer
    x = 282,937.12

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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.