Home / 147,648.32-203,751.84-80,580.80

Finding the Fourth Proportional to 147,648.32, 203,751.84 and 80,580.80

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Solution

The fourth proportional to 147,648.32, 203,751.84 and 80,580.80 is: 111,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.32 : 203,751.84 = 80,580.80 : x
  2. Step 2: Convert to fraction form
    147,648.32/203,751.84 = 80,580.80/x
  3. Step 3: Cross multiply
    147,648.32x = 203,751.84 × 80,580.80
  4. Step 4: Simplify right side
    147,648.32x = 16,418,486,268.67
  5. Step 5: Solve for x
    x = 16,418,486,268.67/147,648.32
  6. Step 6: Final answer
    x = 111,199.95

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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.