Home / 109,653.02-151,324.83-67,203.35

Finding the Fourth Proportional to 109,653.02, 151,324.83 and 67,203.35

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Solution

The fourth proportional to 109,653.02, 151,324.83 and 67,203.35 is: 92,742.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,653.02 : 151,324.83 = 67,203.35 : x
  2. Step 2: Convert to fraction form
    109,653.02/151,324.83 = 67,203.35/x
  3. Step 3: Cross multiply
    109,653.02x = 151,324.83 × 67,203.35
  4. Step 4: Simplify right side
    109,653.02x = 10,169,534,757.56
  5. Step 5: Solve for x
    x = 10,169,534,757.56/109,653.02
  6. Step 6: Final answer
    x = 92,742.86

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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.