Home / 136,033.90-187,601.22-85,030.36

Finding the Fourth Proportional to 136,033.90, 187,601.22 and 85,030.36

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Solution

The fourth proportional to 136,033.90, 187,601.22 and 85,030.36 is: 117,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,033.90 : 187,601.22 = 85,030.36 : x
  2. Step 2: Convert to fraction form
    136,033.90/187,601.22 = 85,030.36/x
  3. Step 3: Cross multiply
    136,033.90x = 187,601.22 × 85,030.36
  4. Step 4: Simplify right side
    136,033.90x = 15,951,799,273.04
  5. Step 5: Solve for x
    x = 15,951,799,273.04/136,033.90
  6. Step 6: Final answer
    x = 117,263.41

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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.