Home / 136,084.22-187,800.30-74,827.23

Finding the Fourth Proportional to 136,084.22, 187,800.30 and 74,827.23

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Solution

The fourth proportional to 136,084.22, 187,800.30 and 74,827.23 is: 103,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,084.22 : 187,800.30 = 74,827.23 : x
  2. Step 2: Convert to fraction form
    136,084.22/187,800.30 = 74,827.23/x
  3. Step 3: Cross multiply
    136,084.22x = 187,800.30 × 74,827.23
  4. Step 4: Simplify right side
    136,084.22x = 14,052,576,524.60
  5. Step 5: Solve for x
    x = 14,052,576,524.60/136,084.22
  6. Step 6: Final answer
    x = 103,263.82

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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.