Home / 140,792.16-210,685.26-122,290.20

Finding the Fourth Proportional to 140,792.16, 210,685.26 and 122,290.20

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Solution

The fourth proportional to 140,792.16, 210,685.26 and 122,290.20 is: 182,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,792.16 : 210,685.26 = 122,290.20 : x
  2. Step 2: Convert to fraction form
    140,792.16/210,685.26 = 122,290.20/x
  3. Step 3: Cross multiply
    140,792.16x = 210,685.26 × 122,290.20
  4. Step 4: Simplify right side
    140,792.16x = 25,764,742,582.45
  5. Step 5: Solve for x
    x = 25,764,742,582.45/140,792.16
  6. Step 6: Final answer
    x = 182,998.42

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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.