Home / 134,903.82-186,179.94-100,853.34

Finding the Fourth Proportional to 134,903.82, 186,179.94 and 100,853.34

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Solution

The fourth proportional to 134,903.82, 186,179.94 and 100,853.34 is: 139,187.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,903.82 : 186,179.94 = 100,853.34 : x
  2. Step 2: Convert to fraction form
    134,903.82/186,179.94 = 100,853.34/x
  3. Step 3: Cross multiply
    134,903.82x = 186,179.94 × 100,853.34
  4. Step 4: Simplify right side
    134,903.82x = 18,776,868,790.00
  5. Step 5: Solve for x
    x = 18,776,868,790.00/134,903.82
  6. Step 6: Final answer
    x = 139,187.08

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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.