Home / 147,224.64-203,352.96-145,012.80

Finding the Fourth Proportional to 147,224.64, 203,352.96 and 145,012.80

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Solution

The fourth proportional to 147,224.64, 203,352.96 and 145,012.80 is: 200,297.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,224.64 : 203,352.96 = 145,012.80 : x
  2. Step 2: Convert to fraction form
    147,224.64/203,352.96 = 145,012.80/x
  3. Step 3: Cross multiply
    147,224.64x = 203,352.96 × 145,012.80
  4. Step 4: Simplify right side
    147,224.64x = 29,488,782,117.89
  5. Step 5: Solve for x
    x = 29,488,782,117.89/147,224.64
  6. Step 6: Final answer
    x = 200,297.87

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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.