Home / 262,545.76-362,089.20-221,906.44

Finding the Fourth Proportional to 262,545.76, 362,089.20 and 221,906.44

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Solution

The fourth proportional to 262,545.76, 362,089.20 and 221,906.44 is: 306,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,545.76 : 362,089.20 = 221,906.44 : x
  2. Step 2: Convert to fraction form
    262,545.76/362,089.20 = 221,906.44/x
  3. Step 3: Cross multiply
    262,545.76x = 362,089.20 × 221,906.44
  4. Step 4: Simplify right side
    262,545.76x = 80,349,925,334.45
  5. Step 5: Solve for x
    x = 80,349,925,334.45/262,545.76
  6. Step 6: Final answer
    x = 306,041.60

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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.