Home / 266,946.72-368,468.48-153,844.80

Finding the Fourth Proportional to 266,946.72, 368,468.48 and 153,844.80

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Solution

The fourth proportional to 266,946.72, 368,468.48 and 153,844.80 is: 212,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,946.72 : 368,468.48 = 153,844.80 : x
  2. Step 2: Convert to fraction form
    266,946.72/368,468.48 = 153,844.80/x
  3. Step 3: Cross multiply
    266,946.72x = 368,468.48 × 153,844.80
  4. Step 4: Simplify right side
    266,946.72x = 56,686,959,611.90
  5. Step 5: Solve for x
    x = 56,686,959,611.90/266,946.72
  6. Step 6: Final answer
    x = 212,353.09

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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.