Home / 152,640.36-228,883.68-89,475.54

Finding the Fourth Proportional to 152,640.36, 228,883.68 and 89,475.54

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Solution

The fourth proportional to 152,640.36, 228,883.68 and 89,475.54 is: 134,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,640.36 : 228,883.68 = 89,475.54 : x
  2. Step 2: Convert to fraction form
    152,640.36/228,883.68 = 89,475.54/x
  3. Step 3: Cross multiply
    152,640.36x = 228,883.68 × 89,475.54
  4. Step 4: Simplify right side
    152,640.36x = 20,479,490,865.19
  5. Step 5: Solve for x
    x = 20,479,490,865.19/152,640.36
  6. Step 6: Final answer
    x = 134,168.26

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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.