Home / 152,644.32-228,954.96-77,717.52

Finding the Fourth Proportional to 152,644.32, 228,954.96 and 77,717.52

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Solution

The fourth proportional to 152,644.32, 228,954.96 and 77,717.52 is: 116,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,644.32 : 228,954.96 = 77,717.52 : x
  2. Step 2: Convert to fraction form
    152,644.32/228,954.96 = 77,717.52/x
  3. Step 3: Cross multiply
    152,644.32x = 228,954.96 × 77,717.52
  4. Step 4: Simplify right side
    152,644.32x = 17,793,811,682.90
  5. Step 5: Solve for x
    x = 17,793,811,682.90/152,644.32
  6. Step 6: Final answer
    x = 116,570.41

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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.