Home / 151,125.18-208,548.42-82,212.48

Finding the Fourth Proportional to 151,125.18, 208,548.42 and 82,212.48

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Solution

The fourth proportional to 151,125.18, 208,548.42 and 82,212.48 is: 113,450.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,125.18 : 208,548.42 = 82,212.48 : x
  2. Step 2: Convert to fraction form
    151,125.18/208,548.42 = 82,212.48/x
  3. Step 3: Cross multiply
    151,125.18x = 208,548.42 × 82,212.48
  4. Step 4: Simplify right side
    151,125.18x = 17,145,282,808.28
  5. Step 5: Solve for x
    x = 17,145,282,808.28/151,125.18
  6. Step 6: Final answer
    x = 113,450.87

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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.