Home / 196,882.32-271,603.02-128,869.32

Finding the Fourth Proportional to 196,882.32, 271,603.02 and 128,869.32

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Solution

The fourth proportional to 196,882.32, 271,603.02 and 128,869.32 is: 177,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,882.32 : 271,603.02 = 128,869.32 : x
  2. Step 2: Convert to fraction form
    196,882.32/271,603.02 = 128,869.32/x
  3. Step 3: Cross multiply
    196,882.32x = 271,603.02 × 128,869.32
  4. Step 4: Simplify right side
    196,882.32x = 35,001,296,497.35
  5. Step 5: Solve for x
    x = 35,001,296,497.35/196,882.32
  6. Step 6: Final answer
    x = 177,777.75

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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.