Home / 119,179.11-178,768.57-30,432.63

Finding the Fourth Proportional to 119,179.11, 178,768.57 and 30,432.63

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Solution

The fourth proportional to 119,179.11, 178,768.57 and 30,432.63 is: 45,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.11 : 178,768.57 = 30,432.63 : x
  2. Step 2: Convert to fraction form
    119,179.11/178,768.57 = 30,432.63/x
  3. Step 3: Cross multiply
    119,179.11x = 178,768.57 × 30,432.63
  4. Step 4: Simplify right side
    119,179.11x = 5,440,397,746.44
  5. Step 5: Solve for x
    x = 5,440,397,746.44/119,179.11
  6. Step 6: Final answer
    x = 45,648.92

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1.5x scale

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.