Home / 219,677.67-329,518.26-143,840.14

Finding the Fourth Proportional to 219,677.67, 329,518.26 and 143,840.14

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Solution

The fourth proportional to 219,677.67, 329,518.26 and 143,840.14 is: 215,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,677.67 : 329,518.26 = 143,840.14 : x
  2. Step 2: Convert to fraction form
    219,677.67/329,518.26 = 143,840.14/x
  3. Step 3: Cross multiply
    219,677.67x = 329,518.26 × 143,840.14
  4. Step 4: Simplify right side
    219,677.67x = 47,397,952,650.96
  5. Step 5: Solve for x
    x = 47,397,952,650.96/219,677.67
  6. Step 6: Final answer
    x = 215,761.36

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1.5x scale

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.