Home / 131,567.96-197,354.34-42,821.12

Finding the Fourth Proportional to 131,567.96, 197,354.34 and 42,821.12

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Solution

The fourth proportional to 131,567.96, 197,354.34 and 42,821.12 is: 64,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,567.96 : 197,354.34 = 42,821.12 : x
  2. Step 2: Convert to fraction form
    131,567.96/197,354.34 = 42,821.12/x
  3. Step 3: Cross multiply
    131,567.96x = 197,354.34 × 42,821.12
  4. Step 4: Simplify right side
    131,567.96x = 8,450,933,875.66
  5. Step 5: Solve for x
    x = 8,450,933,875.66/131,567.96
  6. Step 6: Final answer
    x = 64,232.46

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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.