Home / 147,169.05-203,093.69-83,506.68

Finding the Fourth Proportional to 147,169.05, 203,093.69 and 83,506.68

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Solution

The fourth proportional to 147,169.05, 203,093.69 and 83,506.68 is: 115,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,169.05 : 203,093.69 = 83,506.68 : x
  2. Step 2: Convert to fraction form
    147,169.05/203,093.69 = 83,506.68/x
  3. Step 3: Cross multiply
    147,169.05x = 203,093.69 × 83,506.68
  4. Step 4: Simplify right side
    147,169.05x = 16,959,679,363.32
  5. Step 5: Solve for x
    x = 16,959,679,363.32/147,169.05
  6. Step 6: Final answer
    x = 115,239.44

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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.