Home / 190,304.20-285,366.90-110,364.89

Finding the Fourth Proportional to 190,304.20, 285,366.90 and 110,364.89

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Solution

The fourth proportional to 190,304.20, 285,366.90 and 110,364.89 is: 165,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,304.20 : 285,366.90 = 110,364.89 : x
  2. Step 2: Convert to fraction form
    190,304.20/285,366.90 = 110,364.89/x
  3. Step 3: Cross multiply
    190,304.20x = 285,366.90 × 110,364.89
  4. Step 4: Simplify right side
    190,304.20x = 31,494,485,101.31
  5. Step 5: Solve for x
    x = 31,494,485,101.31/190,304.20
  6. Step 6: Final answer
    x = 165,495.48

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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.