Home / 152,411.28-228,636.36-47,236.56

Finding the Fourth Proportional to 152,411.28, 228,636.36 and 47,236.56

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Solution

The fourth proportional to 152,411.28, 228,636.36 and 47,236.56 is: 70,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,411.28 : 228,636.36 = 47,236.56 : x
  2. Step 2: Convert to fraction form
    152,411.28/228,636.36 = 47,236.56/x
  3. Step 3: Cross multiply
    152,411.28x = 228,636.36 × 47,236.56
  4. Step 4: Simplify right side
    152,411.28x = 10,799,995,137.32
  5. Step 5: Solve for x
    x = 10,799,995,137.32/152,411.28
  6. Step 6: Final answer
    x = 70,860.87

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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.