Home / 277,185.89-415,775.18-66,822.14

Finding the Fourth Proportional to 277,185.89, 415,775.18 and 66,822.14

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Solution

The fourth proportional to 277,185.89, 415,775.18 and 66,822.14 is: 100,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,185.89 : 415,775.18 = 66,822.14 : x
  2. Step 2: Convert to fraction form
    277,185.89/415,775.18 = 66,822.14/x
  3. Step 3: Cross multiply
    277,185.89x = 415,775.18 × 66,822.14
  4. Step 4: Simplify right side
    277,185.89x = 27,782,985,374.66
  5. Step 5: Solve for x
    x = 27,782,985,374.66/277,185.89
  6. Step 6: Final answer
    x = 100,232.32

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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.