Home / 137,189.23-206,812.09-128,044.83

Finding the Fourth Proportional to 137,189.23, 206,812.09 and 128,044.83

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Solution

The fourth proportional to 137,189.23, 206,812.09 and 128,044.83 is: 193,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,189.23 : 206,812.09 = 128,044.83 : x
  2. Step 2: Convert to fraction form
    137,189.23/206,812.09 = 128,044.83/x
  3. Step 3: Cross multiply
    137,189.23x = 206,812.09 × 128,044.83
  4. Step 4: Simplify right side
    137,189.23x = 26,481,218,905.99
  5. Step 5: Solve for x
    x = 26,481,218,905.99/137,189.23
  6. Step 6: Final answer
    x = 193,026.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.