Home / 152,570.92-228,825.10-57,768.40

Finding the Fourth Proportional to 152,570.92, 228,825.10 and 57,768.40

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Solution

The fourth proportional to 152,570.92, 228,825.10 and 57,768.40 is: 86,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,570.92 : 228,825.10 = 57,768.40 : x
  2. Step 2: Convert to fraction form
    152,570.92/228,825.10 = 57,768.40/x
  3. Step 3: Cross multiply
    152,570.92x = 228,825.10 × 57,768.40
  4. Step 4: Simplify right side
    152,570.92x = 13,218,859,906.84
  5. Step 5: Solve for x
    x = 13,218,859,906.84/152,570.92
  6. Step 6: Final answer
    x = 86,640.76

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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.