Home / 119,272.88-164,588.28-65,556.56

Finding the Fourth Proportional to 119,272.88, 164,588.28 and 65,556.56

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Solution

The fourth proportional to 119,272.88, 164,588.28 and 65,556.56 is: 90,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.88 : 164,588.28 = 65,556.56 : x
  2. Step 2: Convert to fraction form
    119,272.88/164,588.28 = 65,556.56/x
  3. Step 3: Cross multiply
    119,272.88x = 164,588.28 × 65,556.56
  4. Step 4: Simplify right side
    119,272.88x = 10,789,841,453.12
  5. Step 5: Solve for x
    x = 10,789,841,453.12/119,272.88
  6. Step 6: Final answer
    x = 90,463.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.