Home / 237,836.25-328,183.95-130,378.01

Finding the Fourth Proportional to 237,836.25, 328,183.95 and 130,378.01

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Solution

The fourth proportional to 237,836.25, 328,183.95 and 130,378.01 is: 179,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,836.25 : 328,183.95 = 130,378.01 : x
  2. Step 2: Convert to fraction form
    237,836.25/328,183.95 = 130,378.01/x
  3. Step 3: Cross multiply
    237,836.25x = 328,183.95 × 130,378.01
  4. Step 4: Simplify right side
    237,836.25x = 42,787,969,162.94
  5. Step 5: Solve for x
    x = 42,787,969,162.94/237,836.25
  6. Step 6: Final answer
    x = 179,905.16

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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.