Home / 118,904.46-178,384.14-40,016.76

Finding the Fourth Proportional to 118,904.46, 178,384.14 and 40,016.76

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Solution

The fourth proportional to 118,904.46, 178,384.14 and 40,016.76 is: 60,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,904.46 : 178,384.14 = 40,016.76 : x
  2. Step 2: Convert to fraction form
    118,904.46/178,384.14 = 40,016.76/x
  3. Step 3: Cross multiply
    118,904.46x = 178,384.14 × 40,016.76
  4. Step 4: Simplify right side
    118,904.46x = 7,138,355,318.19
  5. Step 5: Solve for x
    x = 7,138,355,318.19/118,904.46
  6. Step 6: Final answer
    x = 60,034.38

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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.