Home / 152,721.14-228,989.67-68,466.06

Finding the Fourth Proportional to 152,721.14, 228,989.67 and 68,466.06

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Solution

The fourth proportional to 152,721.14, 228,989.67 and 68,466.06 is: 102,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,721.14 : 228,989.67 = 68,466.06 : x
  2. Step 2: Convert to fraction form
    152,721.14/228,989.67 = 68,466.06/x
  3. Step 3: Cross multiply
    152,721.14x = 228,989.67 × 68,466.06
  4. Step 4: Simplify right side
    152,721.14x = 15,678,021,058.07
  5. Step 5: Solve for x
    x = 15,678,021,058.07/152,721.14
  6. Step 6: Final answer
    x = 102,657.83

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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.