Home / 147,187.11-203,106.64-83,524.91

Finding the Fourth Proportional to 147,187.11, 203,106.64 and 83,524.91

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Solution

The fourth proportional to 147,187.11, 203,106.64 and 83,524.91 is: 115,257.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,187.11 : 203,106.64 = 83,524.91 : x
  2. Step 2: Convert to fraction form
    147,187.11/203,106.64 = 83,524.91/x
  3. Step 3: Cross multiply
    147,187.11x = 203,106.64 × 83,524.91
  4. Step 4: Simplify right side
    147,187.11x = 16,964,463,826.40
  5. Step 5: Solve for x
    x = 16,964,463,826.40/147,187.11
  6. Step 6: Final answer
    x = 115,257.81

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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.