Home / 166,317.48-249,486.24-112,986.87

Finding the Fourth Proportional to 166,317.48, 249,486.24 and 112,986.87

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Solution

The fourth proportional to 166,317.48, 249,486.24 and 112,986.87 is: 169,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,317.48 : 249,486.24 = 112,986.87 : x
  2. Step 2: Convert to fraction form
    166,317.48/249,486.24 = 112,986.87/x
  3. Step 3: Cross multiply
    166,317.48x = 249,486.24 × 112,986.87
  4. Step 4: Simplify right side
    166,317.48x = 28,188,669,365.67
  5. Step 5: Solve for x
    x = 28,188,669,365.67/166,317.48
  6. Step 6: Final answer
    x = 169,487.11

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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.