Home / 206,990.12-310,486.31-62,897.33

Finding the Fourth Proportional to 206,990.12, 310,486.31 and 62,897.33

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Solution

The fourth proportional to 206,990.12, 310,486.31 and 62,897.33 is: 94,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,990.12 : 310,486.31 = 62,897.33 : x
  2. Step 2: Convert to fraction form
    206,990.12/310,486.31 = 62,897.33/x
  3. Step 3: Cross multiply
    206,990.12x = 310,486.31 × 62,897.33
  4. Step 4: Simplify right side
    206,990.12x = 19,528,759,900.55
  5. Step 5: Solve for x
    x = 19,528,759,900.55/206,990.12
  6. Step 6: Final answer
    x = 94,346.34

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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.