Home / 166,587.96-249,806.80-82,315.24

Finding the Fourth Proportional to 166,587.96, 249,806.80 and 82,315.24

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Solution

The fourth proportional to 166,587.96, 249,806.80 and 82,315.24 is: 123,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,587.96 : 249,806.80 = 82,315.24 : x
  2. Step 2: Convert to fraction form
    166,587.96/249,806.80 = 82,315.24/x
  3. Step 3: Cross multiply
    166,587.96x = 249,806.80 × 82,315.24
  4. Step 4: Simplify right side
    166,587.96x = 20,562,906,695.63
  5. Step 5: Solve for x
    x = 20,562,906,695.63/166,587.96
  6. Step 6: Final answer
    x = 123,435.73

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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.