Home / 152,619.28-228,897.73-57,816.78

Finding the Fourth Proportional to 152,619.28, 228,897.73 and 57,816.78

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Solution

The fourth proportional to 152,619.28, 228,897.73 and 57,816.78 is: 86,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,619.28 : 228,897.73 = 57,816.78 : x
  2. Step 2: Convert to fraction form
    152,619.28/228,897.73 = 57,816.78/x
  3. Step 3: Cross multiply
    152,619.28x = 228,897.73 × 57,816.78
  4. Step 4: Simplify right side
    152,619.28x = 13,234,128,553.42
  5. Step 5: Solve for x
    x = 13,234,128,553.42/152,619.28
  6. Step 6: Final answer
    x = 86,713.35

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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.