Home / 136,095.04-187,761.40-82,360.45

Finding the Fourth Proportional to 136,095.04, 187,761.40 and 82,360.45

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Solution

The fourth proportional to 136,095.04, 187,761.40 and 82,360.45 is: 113,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,095.04 : 187,761.40 = 82,360.45 : x
  2. Step 2: Convert to fraction form
    136,095.04/187,761.40 = 82,360.45/x
  3. Step 3: Cross multiply
    136,095.04x = 187,761.40 × 82,360.45
  4. Step 4: Simplify right side
    136,095.04x = 15,464,113,396.63
  5. Step 5: Solve for x
    x = 15,464,113,396.63/136,095.04
  6. Step 6: Final answer
    x = 113,627.31

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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.