Home / 136,588.14-188,410.41-106,325.55

Finding the Fourth Proportional to 136,588.14, 188,410.41 and 106,325.55

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Solution

The fourth proportional to 136,588.14, 188,410.41 and 106,325.55 is: 146,666.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,588.14 : 188,410.41 = 106,325.55 : x
  2. Step 2: Convert to fraction form
    136,588.14/188,410.41 = 106,325.55/x
  3. Step 3: Cross multiply
    136,588.14x = 188,410.41 × 106,325.55
  4. Step 4: Simplify right side
    136,588.14x = 20,032,840,468.98
  5. Step 5: Solve for x
    x = 20,032,840,468.98/136,588.14
  6. Step 6: Final answer
    x = 146,666.03

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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.