Home / 137,585.06-206,377.63-90,827.00

Finding the Fourth Proportional to 137,585.06, 206,377.63 and 90,827.00

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Solution

The fourth proportional to 137,585.06, 206,377.63 and 90,827.00 is: 136,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,585.06 : 206,377.63 = 90,827.00 : x
  2. Step 2: Convert to fraction form
    137,585.06/206,377.63 = 90,827.00/x
  3. Step 3: Cross multiply
    137,585.06x = 206,377.63 × 90,827.00
  4. Step 4: Simplify right side
    137,585.06x = 18,744,659,968.12
  5. Step 5: Solve for x
    x = 18,744,659,968.12/137,585.06
  6. Step 6: Final answer
    x = 136,240.52

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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.