Home / 279,270.54-385,401.60-151,954.38

Finding the Fourth Proportional to 279,270.54, 385,401.60 and 151,954.38

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Solution

The fourth proportional to 279,270.54, 385,401.60 and 151,954.38 is: 209,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,270.54 : 385,401.60 = 151,954.38 : x
  2. Step 2: Convert to fraction form
    279,270.54/385,401.60 = 151,954.38/x
  3. Step 3: Cross multiply
    279,270.54x = 385,401.60 × 151,954.38
  4. Step 4: Simplify right side
    279,270.54x = 58,563,461,179.01
  5. Step 5: Solve for x
    x = 58,563,461,179.01/279,270.54
  6. Step 6: Final answer
    x = 209,701.54

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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.