Home / 135,309.39-186,574.12-101,208.61

Finding the Fourth Proportional to 135,309.39, 186,574.12 and 101,208.61

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Solution

The fourth proportional to 135,309.39, 186,574.12 and 101,208.61 is: 139,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,309.39 : 186,574.12 = 101,208.61 : x
  2. Step 2: Convert to fraction form
    135,309.39/186,574.12 = 101,208.61/x
  3. Step 3: Cross multiply
    135,309.39x = 186,574.12 × 101,208.61
  4. Step 4: Simplify right side
    135,309.39x = 18,882,907,347.17
  5. Step 5: Solve for x
    x = 18,882,907,347.17/135,309.39
  6. Step 6: Final answer
    x = 139,553.56

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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.