Home / 355,867.27-533,807.09-131,112.01

Finding the Fourth Proportional to 355,867.27, 533,807.09 and 131,112.01

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Solution

The fourth proportional to 355,867.27, 533,807.09 and 131,112.01 is: 196,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,867.27 : 533,807.09 = 131,112.01 : x
  2. Step 2: Convert to fraction form
    355,867.27/533,807.09 = 131,112.01/x
  3. Step 3: Cross multiply
    355,867.27x = 533,807.09 × 131,112.01
  4. Step 4: Simplify right side
    355,867.27x = 69,988,519,866.59
  5. Step 5: Solve for x
    x = 69,988,519,866.59/355,867.27
  6. Step 6: Final answer
    x = 196,670.29

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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.