Home / 277,099.85-382,398.06-149,775.45

Finding the Fourth Proportional to 277,099.85, 382,398.06 and 149,775.45

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Solution

The fourth proportional to 277,099.85, 382,398.06 and 149,775.45 is: 206,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,099.85 : 382,398.06 = 149,775.45 : x
  2. Step 2: Convert to fraction form
    277,099.85/382,398.06 = 149,775.45/x
  3. Step 3: Cross multiply
    277,099.85x = 382,398.06 × 149,775.45
  4. Step 4: Simplify right side
    277,099.85x = 57,273,841,515.63
  5. Step 5: Solve for x
    x = 57,273,841,515.63/277,099.85
  6. Step 6: Final answer
    x = 206,690.27

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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.