Home / 266,785.03-368,175.15-153,644.23

Finding the Fourth Proportional to 266,785.03, 368,175.15 and 153,644.23

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Solution

The fourth proportional to 266,785.03, 368,175.15 and 153,644.23 is: 212,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,785.03 : 368,175.15 = 153,644.23 : x
  2. Step 2: Convert to fraction form
    266,785.03/368,175.15 = 153,644.23/x
  3. Step 3: Cross multiply
    266,785.03x = 368,175.15 × 153,644.23
  4. Step 4: Simplify right side
    266,785.03x = 56,567,987,426.88
  5. Step 5: Solve for x
    x = 56,567,987,426.88/266,785.03
  6. Step 6: Final answer
    x = 212,035.84

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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.