Home / 136,211.51-187,865.37-88,480.23

Finding the Fourth Proportional to 136,211.51, 187,865.37 and 88,480.23

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Solution

The fourth proportional to 136,211.51, 187,865.37 and 88,480.23 is: 122,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.51 : 187,865.37 = 88,480.23 : x
  2. Step 2: Convert to fraction form
    136,211.51/187,865.37 = 88,480.23/x
  3. Step 3: Cross multiply
    136,211.51x = 187,865.37 × 88,480.23
  4. Step 4: Simplify right side
    136,211.51x = 16,622,371,146.64
  5. Step 5: Solve for x
    x = 16,622,371,146.64/136,211.51
  6. Step 6: Final answer
    x = 122,033.53

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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.