Home / 134,139.14-201,083.64-45,330.54

Finding the Fourth Proportional to 134,139.14, 201,083.64 and 45,330.54

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Solution

The fourth proportional to 134,139.14, 201,083.64 and 45,330.54 is: 67,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,139.14 : 201,083.64 = 45,330.54 : x
  2. Step 2: Convert to fraction form
    134,139.14/201,083.64 = 45,330.54/x
  3. Step 3: Cross multiply
    134,139.14x = 201,083.64 × 45,330.54
  4. Step 4: Simplify right side
    134,139.14x = 9,115,229,986.37
  5. Step 5: Solve for x
    x = 9,115,229,986.37/134,139.14
  6. Step 6: Final answer
    x = 67,953.54

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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.