Home / 136,092.74-187,814.21-75,669.57

Finding the Fourth Proportional to 136,092.74, 187,814.21 and 75,669.57

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Solution

The fourth proportional to 136,092.74, 187,814.21 and 75,669.57 is: 104,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,092.74 : 187,814.21 = 75,669.57 : x
  2. Step 2: Convert to fraction form
    136,092.74/187,814.21 = 75,669.57/x
  3. Step 3: Cross multiply
    136,092.74x = 187,814.21 × 75,669.57
  4. Step 4: Simplify right side
    136,092.74x = 14,211,820,132.24
  5. Step 5: Solve for x
    x = 14,211,820,132.24/136,092.74
  6. Step 6: Final answer
    x = 104,427.47

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1.5x scale

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.