Home / 166,523.50-249,867.26-77,764.10

Finding the Fourth Proportional to 166,523.50, 249,867.26 and 77,764.10

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Solution

The fourth proportional to 166,523.50, 249,867.26 and 77,764.10 is: 116,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,523.50 : 249,867.26 = 77,764.10 : x
  2. Step 2: Convert to fraction form
    166,523.50/249,867.26 = 77,764.10/x
  3. Step 3: Cross multiply
    166,523.50x = 249,867.26 × 77,764.10
  4. Step 4: Simplify right side
    166,523.50x = 19,430,702,593.37
  5. Step 5: Solve for x
    x = 19,430,702,593.37/166,523.50
  6. Step 6: Final answer
    x = 116,684.45

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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.