Home / 190,160.90-285,219.12-49,930.46

Finding the Fourth Proportional to 190,160.90, 285,219.12 and 49,930.46

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Solution

The fourth proportional to 190,160.90, 285,219.12 and 49,930.46 is: 74,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,160.90 : 285,219.12 = 49,930.46 : x
  2. Step 2: Convert to fraction form
    190,160.90/285,219.12 = 49,930.46/x
  3. Step 3: Cross multiply
    190,160.90x = 285,219.12 × 49,930.46
  4. Step 4: Simplify right side
    190,160.90x = 14,241,121,862.40
  5. Step 5: Solve for x
    x = 14,241,121,862.40/190,160.90
  6. Step 6: Final answer
    x = 74,889.85

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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.