Home / 135,567.00-203,421.41-98,433.79

Finding the Fourth Proportional to 135,567.00, 203,421.41 and 98,433.79

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Solution

The fourth proportional to 135,567.00, 203,421.41 and 98,433.79 is: 147,702.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,567.00 : 203,421.41 = 98,433.79 : x
  2. Step 2: Convert to fraction form
    135,567.00/203,421.41 = 98,433.79/x
  3. Step 3: Cross multiply
    135,567.00x = 203,421.41 × 98,433.79
  4. Step 4: Simplify right side
    135,567.00x = 20,023,541,567.42
  5. Step 5: Solve for x
    x = 20,023,541,567.42/135,567.00
  6. Step 6: Final answer
    x = 147,702.18

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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.