Home / 147,628.46-203,738.55-83,962.46

Finding the Fourth Proportional to 147,628.46, 203,738.55 and 83,962.46

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Solution

The fourth proportional to 147,628.46, 203,738.55 and 83,962.46 is: 115,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,628.46 : 203,738.55 = 83,962.46 : x
  2. Step 2: Convert to fraction form
    147,628.46/203,738.55 = 83,962.46/x
  3. Step 3: Cross multiply
    147,628.46x = 203,738.55 × 83,962.46
  4. Step 4: Simplify right side
    147,628.46x = 17,106,389,854.83
  5. Step 5: Solve for x
    x = 17,106,389,854.83/147,628.46
  6. Step 6: Final answer
    x = 115,874.61

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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.