Home / 192,248.05-288,430.51-136,196.61

Finding the Fourth Proportional to 192,248.05, 288,430.51 and 136,196.61

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Solution

The fourth proportional to 192,248.05, 288,430.51 and 136,196.61 is: 204,336.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,248.05 : 288,430.51 = 136,196.61 : x
  2. Step 2: Convert to fraction form
    192,248.05/288,430.51 = 136,196.61/x
  3. Step 3: Cross multiply
    192,248.05x = 288,430.51 × 136,196.61
  4. Step 4: Simplify right side
    192,248.05x = 39,283,257,682.57
  5. Step 5: Solve for x
    x = 39,283,257,682.57/192,248.05
  6. Step 6: Final answer
    x = 204,336.31

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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.