Home / 190,487.16-262,753.20-122,592.42

Finding the Fourth Proportional to 190,487.16, 262,753.20 and 122,592.42

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Solution

The fourth proportional to 190,487.16, 262,753.20 and 122,592.42 is: 169,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,487.16 : 262,753.20 = 122,592.42 : x
  2. Step 2: Convert to fraction form
    190,487.16/262,753.20 = 122,592.42/x
  3. Step 3: Cross multiply
    190,487.16x = 262,753.20 × 122,592.42
  4. Step 4: Simplify right side
    190,487.16x = 32,211,550,650.74
  5. Step 5: Solve for x
    x = 32,211,550,650.74/190,487.16
  6. Step 6: Final answer
    x = 169,100.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.