Home / 109,208.07-150,753.63-73,418.84

Finding the Fourth Proportional to 109,208.07, 150,753.63 and 73,418.84

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Solution

The fourth proportional to 109,208.07, 150,753.63 and 73,418.84 is: 101,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,208.07 : 150,753.63 = 73,418.84 : x
  2. Step 2: Convert to fraction form
    109,208.07/150,753.63 = 73,418.84/x
  3. Step 3: Cross multiply
    109,208.07x = 150,753.63 × 73,418.84
  4. Step 4: Simplify right side
    109,208.07x = 11,068,156,273.30
  5. Step 5: Solve for x
    x = 11,068,156,273.30/109,208.07
  6. Step 6: Final answer
    x = 101,349.26

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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.