Home / 126,541.54-189,851.79-37,798.55

Finding the Fourth Proportional to 126,541.54, 189,851.79 and 37,798.55

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Solution

The fourth proportional to 126,541.54, 189,851.79 and 37,798.55 is: 56,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,541.54 : 189,851.79 = 37,798.55 : x
  2. Step 2: Convert to fraction form
    126,541.54/189,851.79 = 37,798.55/x
  3. Step 3: Cross multiply
    126,541.54x = 189,851.79 × 37,798.55
  4. Step 4: Simplify right side
    126,541.54x = 7,176,121,427.65
  5. Step 5: Solve for x
    x = 7,176,121,427.65/126,541.54
  6. Step 6: Final answer
    x = 56,709.61

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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.