Home / 107,236.92-147,889.98-66,954.36

Finding the Fourth Proportional to 107,236.92, 147,889.98 and 66,954.36

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Solution

The fourth proportional to 107,236.92, 147,889.98 and 66,954.36 is: 92,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,236.92 : 147,889.98 = 66,954.36 : x
  2. Step 2: Convert to fraction form
    107,236.92/147,889.98 = 66,954.36/x
  3. Step 3: Cross multiply
    107,236.92x = 147,889.98 × 66,954.36
  4. Step 4: Simplify right side
    107,236.92x = 9,901,878,961.31
  5. Step 5: Solve for x
    x = 9,901,878,961.31/107,236.92
  6. Step 6: Final answer
    x = 92,336.47

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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.