Home / 305,432.01-457,680.41-127,842.33

Finding the Fourth Proportional to 305,432.01, 457,680.41 and 127,842.33

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Solution

The fourth proportional to 305,432.01, 457,680.41 and 127,842.33 is: 191,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,432.01 : 457,680.41 = 127,842.33 : x
  2. Step 2: Convert to fraction form
    305,432.01/457,680.41 = 127,842.33/x
  3. Step 3: Cross multiply
    305,432.01x = 457,680.41 × 127,842.33
  4. Step 4: Simplify right side
    305,432.01x = 58,510,929,370.54
  5. Step 5: Solve for x
    x = 58,510,929,370.54/305,432.01
  6. Step 6: Final answer
    x = 191,567.77

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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.