Home / 137,188.23-206,810.58-128,043.83

Finding the Fourth Proportional to 137,188.23, 206,810.58 and 128,043.83

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Solution

The fourth proportional to 137,188.23, 206,810.58 and 128,043.83 is: 193,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,188.23 : 206,810.58 = 128,043.83 : x
  2. Step 2: Convert to fraction form
    137,188.23/206,810.58 = 128,043.83/x
  3. Step 3: Cross multiply
    137,188.23x = 206,810.58 × 128,043.83
  4. Step 4: Simplify right side
    137,188.23x = 26,480,818,747.72
  5. Step 5: Solve for x
    x = 26,480,818,747.72/137,188.23
  6. Step 6: Final answer
    x = 193,025.44

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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.