Home / 192,001.20-287,634.60-103,225.20

Finding the Fourth Proportional to 192,001.20, 287,634.60 and 103,225.20

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Solution

The fourth proportional to 192,001.20, 287,634.60 and 103,225.20 is: 154,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,001.20 : 287,634.60 = 103,225.20 : x
  2. Step 2: Convert to fraction form
    192,001.20/287,634.60 = 103,225.20/x
  3. Step 3: Cross multiply
    192,001.20x = 287,634.60 × 103,225.20
  4. Step 4: Simplify right side
    192,001.20x = 29,691,139,111.92
  5. Step 5: Solve for x
    x = 29,691,139,111.92/192,001.20
  6. Step 6: Final answer
    x = 154,640.38

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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.