Home / 142,653.98-197,067.54-113,935.94

Finding the Fourth Proportional to 142,653.98, 197,067.54 and 113,935.94

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Solution

The fourth proportional to 142,653.98, 197,067.54 and 113,935.94 is: 157,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,653.98 : 197,067.54 = 113,935.94 : x
  2. Step 2: Convert to fraction form
    142,653.98/197,067.54 = 113,935.94/x
  3. Step 3: Cross multiply
    142,653.98x = 197,067.54 × 113,935.94
  4. Step 4: Simplify right side
    142,653.98x = 22,453,074,428.05
  5. Step 5: Solve for x
    x = 22,453,074,428.05/142,653.98
  6. Step 6: Final answer
    x = 157,395.36

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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.