Home / 161,710.20-242,565.30-135,466.20

Finding the Fourth Proportional to 161,710.20, 242,565.30 and 135,466.20

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Solution

The fourth proportional to 161,710.20, 242,565.30 and 135,466.20 is: 203,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,710.20 : 242,565.30 = 135,466.20 : x
  2. Step 2: Convert to fraction form
    161,710.20/242,565.30 = 135,466.20/x
  3. Step 3: Cross multiply
    161,710.20x = 242,565.30 × 135,466.20
  4. Step 4: Simplify right side
    161,710.20x = 32,859,399,442.86
  5. Step 5: Solve for x
    x = 32,859,399,442.86/161,710.20
  6. Step 6: Final answer
    x = 203,199.30

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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.