Home / 136,912.90-205,367.73-48,166.06

Finding the Fourth Proportional to 136,912.90, 205,367.73 and 48,166.06

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Solution

The fourth proportional to 136,912.90, 205,367.73 and 48,166.06 is: 72,248.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,912.90 : 205,367.73 = 48,166.06 : x
  2. Step 2: Convert to fraction form
    136,912.90/205,367.73 = 48,166.06/x
  3. Step 3: Cross multiply
    136,912.90x = 205,367.73 × 48,166.06
  4. Step 4: Simplify right side
    136,912.90x = 9,891,754,405.24
  5. Step 5: Solve for x
    x = 9,891,754,405.24/136,912.90
  6. Step 6: Final answer
    x = 72,248.52

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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.