Home / 149,539.15-206,433.13-92,188.72

Finding the Fourth Proportional to 149,539.15, 206,433.13 and 92,188.72

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Solution

The fourth proportional to 149,539.15, 206,433.13 and 92,188.72 is: 127,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,539.15 : 206,433.13 = 92,188.72 : x
  2. Step 2: Convert to fraction form
    149,539.15/206,433.13 = 92,188.72/x
  3. Step 3: Cross multiply
    149,539.15x = 206,433.13 × 92,188.72
  4. Step 4: Simplify right side
    149,539.15x = 19,030,806,020.29
  5. Step 5: Solve for x
    x = 19,030,806,020.29/149,539.15
  6. Step 6: Final answer
    x = 127,263.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.