Home / 134,833.64-202,425.42-103,690.76

Finding the Fourth Proportional to 134,833.64, 202,425.42 and 103,690.76

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Solution

The fourth proportional to 134,833.64, 202,425.42 and 103,690.76 is: 155,670.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,833.64 : 202,425.42 = 103,690.76 : x
  2. Step 2: Convert to fraction form
    134,833.64/202,425.42 = 103,690.76/x
  3. Step 3: Cross multiply
    134,833.64x = 202,425.42 × 103,690.76
  4. Step 4: Simplify right side
    134,833.64x = 20,989,645,643.12
  5. Step 5: Solve for x
    x = 20,989,645,643.12/134,833.64
  6. Step 6: Final answer
    x = 155,670.69

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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.