Home / 196,429.28-271,072.36-107,005.28

Finding the Fourth Proportional to 196,429.28, 271,072.36 and 107,005.28

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Solution

The fourth proportional to 196,429.28, 271,072.36 and 107,005.28 is: 147,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,429.28 : 271,072.36 = 107,005.28 : x
  2. Step 2: Convert to fraction form
    196,429.28/271,072.36 = 107,005.28/x
  3. Step 3: Cross multiply
    196,429.28x = 271,072.36 × 107,005.28
  4. Step 4: Simplify right side
    196,429.28x = 29,006,173,782.06
  5. Step 5: Solve for x
    x = 29,006,173,782.06/196,429.28
  6. Step 6: Final answer
    x = 147,667.26

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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.