Home / 190,237.20-261,929.79-161,497.32

Finding the Fourth Proportional to 190,237.20, 261,929.79 and 161,497.32

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Solution

The fourth proportional to 190,237.20, 261,929.79 and 161,497.32 is: 222,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,237.20 : 261,929.79 = 161,497.32 : x
  2. Step 2: Convert to fraction form
    190,237.20/261,929.79 = 161,497.32/x
  3. Step 3: Cross multiply
    190,237.20x = 261,929.79 × 161,497.32
  4. Step 4: Simplify right side
    190,237.20x = 42,300,959,113.16
  5. Step 5: Solve for x
    x = 42,300,959,113.16/190,237.20
  6. Step 6: Final answer
    x = 222,359.03

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1.5x scale

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.