Home / 355,798.12-533,549.52-131,171.32

Finding the Fourth Proportional to 355,798.12, 533,549.52 and 131,171.32

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Solution

The fourth proportional to 355,798.12, 533,549.52 and 131,171.32 is: 196,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,798.12 : 533,549.52 = 131,171.32 : x
  2. Step 2: Convert to fraction form
    355,798.12/533,549.52 = 131,171.32/x
  3. Step 3: Cross multiply
    355,798.12x = 533,549.52 × 131,171.32
  4. Step 4: Simplify right side
    355,798.12x = 69,986,394,823.77
  5. Step 5: Solve for x
    x = 69,986,394,823.77/355,798.12
  6. Step 6: Final answer
    x = 196,702.54

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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.