Home / 752,136.64-1,128,190.40-183,521.44

Finding the Fourth Proportional to 752,136.64, 1,128,190.40 and 183,521.44

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Solution

The fourth proportional to 752,136.64, 1,128,190.40 and 183,521.44 is: 275,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,136.64 : 1,128,190.40 = 183,521.44 : x
  2. Step 2: Convert to fraction form
    752,136.64/1,128,190.40 = 183,521.44/x
  3. Step 3: Cross multiply
    752,136.64x = 1,128,190.40 × 183,521.44
  4. Step 4: Simplify right side
    752,136.64x = 207,047,126,802.18
  5. Step 5: Solve for x
    x = 207,047,126,802.18/752,136.64
  6. Step 6: Final answer
    x = 275,278.61

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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.