Home / 252,353.42-348,255.50-144,945

Finding the Fourth Proportional to 252,353.42, 348,255.50 and 144,945

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Solution

The fourth proportional to 252,353.42, 348,255.50 and 144,945 is: 200,028.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,353.42 : 348,255.50 = 144,945 : x
  2. Step 2: Convert to fraction form
    252,353.42/348,255.50 = 144,945/x
  3. Step 3: Cross multiply
    252,353.42x = 348,255.50 × 144,945
  4. Step 4: Simplify right side
    252,353.42x = 50,477,893,447.50
  5. Step 5: Solve for x
    x = 50,477,893,447.50/252,353.42
  6. Step 6: Final answer
    x = 200,028.57

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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.