Home / 255,426.78-352,488.83-148,059.03

Finding the Fourth Proportional to 255,426.78, 352,488.83 and 148,059.03

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Solution

The fourth proportional to 255,426.78, 352,488.83 and 148,059.03 is: 204,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,426.78 : 352,488.83 = 148,059.03 : x
  2. Step 2: Convert to fraction form
    255,426.78/352,488.83 = 148,059.03/x
  3. Step 3: Cross multiply
    255,426.78x = 352,488.83 × 148,059.03
  4. Step 4: Simplify right side
    255,426.78x = 52,189,153,515.34
  5. Step 5: Solve for x
    x = 52,189,153,515.34/255,426.78
  6. Step 6: Final answer
    x = 204,321.39

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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.