Home / 152,615.53-210,622.75-88,951.96

Finding the Fourth Proportional to 152,615.53, 210,622.75 and 88,951.96

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Solution

The fourth proportional to 152,615.53, 210,622.75 and 88,951.96 is: 122,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,615.53 : 210,622.75 = 88,951.96 : x
  2. Step 2: Convert to fraction form
    152,615.53/210,622.75 = 88,951.96/x
  3. Step 3: Cross multiply
    152,615.53x = 210,622.75 × 88,951.96
  4. Step 4: Simplify right side
    152,615.53x = 18,735,306,433.09
  5. Step 5: Solve for x
    x = 18,735,306,433.09/152,615.53
  6. Step 6: Final answer
    x = 122,761.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.