Home / 147,998.32-204,233.53-80,928.88

Finding the Fourth Proportional to 147,998.32, 204,233.53 and 80,928.88

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Solution

The fourth proportional to 147,998.32, 204,233.53 and 80,928.88 is: 111,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,998.32 : 204,233.53 = 80,928.88 : x
  2. Step 2: Convert to fraction form
    147,998.32/204,233.53 = 80,928.88/x
  3. Step 3: Cross multiply
    147,998.32x = 204,233.53 × 80,928.88
  4. Step 4: Simplify right side
    147,998.32x = 16,528,389,415.53
  5. Step 5: Solve for x
    x = 16,528,389,415.53/147,998.32
  6. Step 6: Final answer
    x = 111,679.58

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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.