Home / 152,473.77-228,618.05-68,218.25

Finding the Fourth Proportional to 152,473.77, 228,618.05 and 68,218.25

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Solution

The fourth proportional to 152,473.77, 228,618.05 and 68,218.25 is: 102,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,473.77 : 228,618.05 = 68,218.25 : x
  2. Step 2: Convert to fraction form
    152,473.77/228,618.05 = 68,218.25/x
  3. Step 3: Cross multiply
    152,473.77x = 228,618.05 × 68,218.25
  4. Step 4: Simplify right side
    152,473.77x = 15,595,921,805.23
  5. Step 5: Solve for x
    x = 15,595,921,805.23/152,473.77
  6. Step 6: Final answer
    x = 102,285.93

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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.