Home / 136,056.61-187,686.82-92,433.56

Finding the Fourth Proportional to 136,056.61, 187,686.82 and 92,433.56

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Solution

The fourth proportional to 136,056.61, 187,686.82 and 92,433.56 is: 127,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,056.61 : 187,686.82 = 92,433.56 : x
  2. Step 2: Convert to fraction form
    136,056.61/187,686.82 = 92,433.56/x
  3. Step 3: Cross multiply
    136,056.61x = 187,686.82 × 92,433.56
  4. Step 4: Simplify right side
    136,056.61x = 17,348,560,114.79
  5. Step 5: Solve for x
    x = 17,348,560,114.79/136,056.61
  6. Step 6: Final answer
    x = 127,509.86

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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.