Home / 305,269.14-421,196.28-182,801.76

Finding the Fourth Proportional to 305,269.14, 421,196.28 and 182,801.76

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Solution

The fourth proportional to 305,269.14, 421,196.28 and 182,801.76 is: 252,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,269.14 : 421,196.28 = 182,801.76 : x
  2. Step 2: Convert to fraction form
    305,269.14/421,196.28 = 182,801.76/x
  3. Step 3: Cross multiply
    305,269.14x = 421,196.28 × 182,801.76
  4. Step 4: Simplify right side
    305,269.14x = 76,995,421,289.45
  5. Step 5: Solve for x
    x = 76,995,421,289.45/305,269.14
  6. Step 6: Final answer
    x = 252,221.44

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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.