Home / 136,292.96-188,084.30-75,862.31

Finding the Fourth Proportional to 136,292.96, 188,084.30 and 75,862.31

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Solution

The fourth proportional to 136,292.96, 188,084.30 and 75,862.31 is: 104,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.96 : 188,084.30 = 75,862.31 : x
  2. Step 2: Convert to fraction form
    136,292.96/188,084.30 = 75,862.31/x
  3. Step 3: Cross multiply
    136,292.96x = 188,084.30 × 75,862.31
  4. Step 4: Simplify right side
    136,292.96x = 14,268,509,472.73
  5. Step 5: Solve for x
    x = 14,268,509,472.73/136,292.96
  6. Step 6: Final answer
    x = 104,690.00

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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.