Home / 358,360.75-537,529.20-105,645.43

Finding the Fourth Proportional to 358,360.75, 537,529.20 and 105,645.43

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Solution

The fourth proportional to 358,360.75, 537,529.20 and 105,645.43 is: 158,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,360.75 : 537,529.20 = 105,645.43 : x
  2. Step 2: Convert to fraction form
    358,360.75/537,529.20 = 105,645.43/x
  3. Step 3: Cross multiply
    358,360.75x = 537,529.20 × 105,645.43
  4. Step 4: Simplify right side
    358,360.75x = 56,787,503,471.56
  5. Step 5: Solve for x
    x = 56,787,503,471.56/358,360.75
  6. Step 6: Final answer
    x = 158,464.63

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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.