Home / 221,675.15-305,267.39-192,590.07

Finding the Fourth Proportional to 221,675.15, 305,267.39 and 192,590.07

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Solution

The fourth proportional to 221,675.15, 305,267.39 and 192,590.07 is: 265,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,675.15 : 305,267.39 = 192,590.07 : x
  2. Step 2: Convert to fraction form
    221,675.15/305,267.39 = 192,590.07/x
  3. Step 3: Cross multiply
    221,675.15x = 305,267.39 × 192,590.07
  4. Step 4: Simplify right side
    221,675.15x = 58,791,466,623.33
  5. Step 5: Solve for x
    x = 58,791,466,623.33/221,675.15
  6. Step 6: Final answer
    x = 265,214.51

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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.