Home / 277,142.55-382,457.30-149,818.14

Finding the Fourth Proportional to 277,142.55, 382,457.30 and 149,818.14

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Solution

The fourth proportional to 277,142.55, 382,457.30 and 149,818.14 is: 206,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,142.55 : 382,457.30 = 149,818.14 : x
  2. Step 2: Convert to fraction form
    277,142.55/382,457.30 = 149,818.14/x
  3. Step 3: Cross multiply
    277,142.55x = 382,457.30 × 149,818.14
  4. Step 4: Simplify right side
    277,142.55x = 57,299,040,566.33
  5. Step 5: Solve for x
    x = 57,299,040,566.33/277,142.55
  6. Step 6: Final answer
    x = 206,749.34

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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.