Home / 134,836.64-202,429.92-103,693.76

Finding the Fourth Proportional to 134,836.64, 202,429.92 and 103,693.76

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Solution

The fourth proportional to 134,836.64, 202,429.92 and 103,693.76 is: 155,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,836.64 : 202,429.92 = 103,693.76 : x
  2. Step 2: Convert to fraction form
    134,836.64/202,429.92 = 103,693.76/x
  3. Step 3: Cross multiply
    134,836.64x = 202,429.92 × 103,693.76
  4. Step 4: Simplify right side
    134,836.64x = 20,990,719,541.30
  5. Step 5: Solve for x
    x = 20,990,719,541.30/134,836.64
  6. Step 6: Final answer
    x = 155,675.19

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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.