Home / 136,089.50-187,792.84-75,656.46

Finding the Fourth Proportional to 136,089.50, 187,792.84 and 75,656.46

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Solution

The fourth proportional to 136,089.50, 187,792.84 and 75,656.46 is: 104,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,089.50 : 187,792.84 = 75,656.46 : x
  2. Step 2: Convert to fraction form
    136,089.50/187,792.84 = 75,656.46/x
  3. Step 3: Cross multiply
    136,089.50x = 187,792.84 × 75,656.46
  4. Step 4: Simplify right side
    136,089.50x = 14,207,741,487.75
  5. Step 5: Solve for x
    x = 14,207,741,487.75/136,089.50
  6. Step 6: Final answer
    x = 104,399.98

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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.