Home / 134,837.64-202,431.42-103,694.76

Finding the Fourth Proportional to 134,837.64, 202,431.42 and 103,694.76

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Solution

The fourth proportional to 134,837.64, 202,431.42 and 103,694.76 is: 155,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,837.64 : 202,431.42 = 103,694.76 : x
  2. Step 2: Convert to fraction form
    134,837.64/202,431.42 = 103,694.76/x
  3. Step 3: Cross multiply
    134,837.64x = 202,431.42 × 103,694.76
  4. Step 4: Simplify right side
    134,837.64x = 20,991,077,513.36
  5. Step 5: Solve for x
    x = 20,991,077,513.36/134,837.64
  6. Step 6: Final answer
    x = 155,676.69

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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.