Home / 196,018.02-294,027.30-129,878.28

Finding the Fourth Proportional to 196,018.02, 294,027.30 and 129,878.28

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Solution

The fourth proportional to 196,018.02, 294,027.30 and 129,878.28 is: 194,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,018.02 : 294,027.30 = 129,878.28 : x
  2. Step 2: Convert to fraction form
    196,018.02/294,027.30 = 129,878.28/x
  3. Step 3: Cross multiply
    196,018.02x = 294,027.30 × 129,878.28
  4. Step 4: Simplify right side
    196,018.02x = 38,187,759,997.04
  5. Step 5: Solve for x
    x = 38,187,759,997.04/196,018.02
  6. Step 6: Final answer
    x = 194,817.60

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1.5x scale

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.