Home / 147,653.55-203,761.85-80,585.55

Finding the Fourth Proportional to 147,653.55, 203,761.85 and 80,585.55

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Solution

The fourth proportional to 147,653.55, 203,761.85 and 80,585.55 is: 111,208.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,653.55 : 203,761.85 = 80,585.55 : x
  2. Step 2: Convert to fraction form
    147,653.55/203,761.85 = 80,585.55/x
  3. Step 3: Cross multiply
    147,653.55x = 203,761.85 × 80,585.55
  4. Step 4: Simplify right side
    147,653.55x = 16,420,260,348.34
  5. Step 5: Solve for x
    x = 16,420,260,348.34/147,653.55
  6. Step 6: Final answer
    x = 111,208.03

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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.