Home / 660,816.19-991,221.04-187,502.41

Finding the Fourth Proportional to 660,816.19, 991,221.04 and 187,502.41

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Solution

The fourth proportional to 660,816.19, 991,221.04 and 187,502.41 is: 281,252.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,816.19 : 991,221.04 = 187,502.41 : x
  2. Step 2: Convert to fraction form
    660,816.19/991,221.04 = 187,502.41/x
  3. Step 3: Cross multiply
    660,816.19x = 991,221.04 × 187,502.41
  4. Step 4: Simplify right side
    660,816.19x = 185,856,331,599.03
  5. Step 5: Solve for x
    x = 185,856,331,599.03/660,816.19
  6. Step 6: Final answer
    x = 281,252.69

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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.