Home / 105,910.28-158,768.07-45,901.13

Finding the Fourth Proportional to 105,910.28, 158,768.07 and 45,901.13

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Solution

The fourth proportional to 105,910.28, 158,768.07 and 45,901.13 is: 68,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,910.28 : 158,768.07 = 45,901.13 : x
  2. Step 2: Convert to fraction form
    105,910.28/158,768.07 = 45,901.13/x
  3. Step 3: Cross multiply
    105,910.28x = 158,768.07 × 45,901.13
  4. Step 4: Simplify right side
    105,910.28x = 7,287,633,027.08
  5. Step 5: Solve for x
    x = 7,287,633,027.08/105,910.28
  6. Step 6: Final answer
    x = 68,809.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.