Home / 389,193.24-537,074.47-228,155.55

Finding the Fourth Proportional to 389,193.24, 537,074.47 and 228,155.55

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Solution

The fourth proportional to 389,193.24, 537,074.47 and 228,155.55 is: 314,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,193.24 : 537,074.47 = 228,155.55 : x
  2. Step 2: Convert to fraction form
    389,193.24/537,074.47 = 228,155.55/x
  3. Step 3: Cross multiply
    389,193.24x = 537,074.47 × 228,155.55
  4. Step 4: Simplify right side
    389,193.24x = 122,536,521,093.81
  5. Step 5: Solve for x
    x = 122,536,521,093.81/389,193.24
  6. Step 6: Final answer
    x = 314,847.51

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1.5x scale

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.