Home / 152,400.40-228,163.20-93,351.40

Finding the Fourth Proportional to 152,400.40, 228,163.20 and 93,351.40

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Solution

The fourth proportional to 152,400.40, 228,163.20 and 93,351.40 is: 139,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,400.40 : 228,163.20 = 93,351.40 : x
  2. Step 2: Convert to fraction form
    152,400.40/228,163.20 = 93,351.40/x
  3. Step 3: Cross multiply
    152,400.40x = 228,163.20 × 93,351.40
  4. Step 4: Simplify right side
    152,400.40x = 21,299,354,148.48
  5. Step 5: Solve for x
    x = 21,299,354,148.48/152,400.40
  6. Step 6: Final answer
    x = 139,759.17

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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.