Home / 221,569.30-332,353.95-127,965.70

Finding the Fourth Proportional to 221,569.30, 332,353.95 and 127,965.70

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Solution

The fourth proportional to 221,569.30, 332,353.95 and 127,965.70 is: 191,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,569.30 : 332,353.95 = 127,965.70 : x
  2. Step 2: Convert to fraction form
    221,569.30/332,353.95 = 127,965.70/x
  3. Step 3: Cross multiply
    221,569.30x = 332,353.95 × 127,965.70
  4. Step 4: Simplify right side
    221,569.30x = 42,529,905,859.52
  5. Step 5: Solve for x
    x = 42,529,905,859.52/221,569.30
  6. Step 6: Final answer
    x = 191,948.55

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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.