Home / 135,252.59-186,535.31-101,340.72

Finding the Fourth Proportional to 135,252.59, 186,535.31 and 101,340.72

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Solution

The fourth proportional to 135,252.59, 186,535.31 and 101,340.72 is: 139,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,252.59 : 186,535.31 = 101,340.72 : x
  2. Step 2: Convert to fraction form
    135,252.59/186,535.31 = 101,340.72/x
  3. Step 3: Cross multiply
    135,252.59x = 186,535.31 × 101,340.72
  4. Step 4: Simplify right side
    135,252.59x = 18,903,622,114.12
  5. Step 5: Solve for x
    x = 18,903,622,114.12/135,252.59
  6. Step 6: Final answer
    x = 139,765.33

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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.