Home / 190,220.86-285,436.31-106,028.42

Finding the Fourth Proportional to 190,220.86, 285,436.31 and 106,028.42

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Solution

The fourth proportional to 190,220.86, 285,436.31 and 106,028.42 is: 159,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,220.86 : 285,436.31 = 106,028.42 : x
  2. Step 2: Convert to fraction form
    190,220.86/285,436.31 = 106,028.42/x
  3. Step 3: Cross multiply
    190,220.86x = 285,436.31 × 106,028.42
  4. Step 4: Simplify right side
    190,220.86x = 30,264,359,805.40
  5. Step 5: Solve for x
    x = 30,264,359,805.40/190,220.86
  6. Step 6: Final answer
    x = 159,101.17

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1.5x scale

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.