Home / 151,016.46-208,408.09-83,038.62

Finding the Fourth Proportional to 151,016.46, 208,408.09 and 83,038.62

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Solution

The fourth proportional to 151,016.46, 208,408.09 and 83,038.62 is: 114,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,016.46 : 208,408.09 = 83,038.62 : x
  2. Step 2: Convert to fraction form
    151,016.46/208,408.09 = 83,038.62/x
  3. Step 3: Cross multiply
    151,016.46x = 208,408.09 × 83,038.62
  4. Step 4: Simplify right side
    151,016.46x = 17,305,920,190.44
  5. Step 5: Solve for x
    x = 17,305,920,190.44/151,016.46
  6. Step 6: Final answer
    x = 114,596.25

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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.