Home / 119,076.72-178,490.36-40,163.76

Finding the Fourth Proportional to 119,076.72, 178,490.36 and 40,163.76

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Solution

The fourth proportional to 119,076.72, 178,490.36 and 40,163.76 is: 60,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,076.72 : 178,490.36 = 40,163.76 : x
  2. Step 2: Convert to fraction form
    119,076.72/178,490.36 = 40,163.76/x
  3. Step 3: Cross multiply
    119,076.72x = 178,490.36 × 40,163.76
  4. Step 4: Simplify right side
    119,076.72x = 7,168,843,981.35
  5. Step 5: Solve for x
    x = 7,168,843,981.35/119,076.72
  6. Step 6: Final answer
    x = 60,203.57

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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.