Home / 192,172.22-288,228.78-64,090.76

Finding the Fourth Proportional to 192,172.22, 288,228.78 and 64,090.76

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Solution

The fourth proportional to 192,172.22, 288,228.78 and 64,090.76 is: 96,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,172.22 : 288,228.78 = 64,090.76 : x
  2. Step 2: Convert to fraction form
    192,172.22/288,228.78 = 64,090.76/x
  3. Step 3: Cross multiply
    192,172.22x = 288,228.78 × 64,090.76
  4. Step 4: Simplify right side
    192,172.22x = 18,472,801,564.07
  5. Step 5: Solve for x
    x = 18,472,801,564.07/192,172.22
  6. Step 6: Final answer
    x = 96,126.28

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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.