Home / 255,666.72-352,822.40-140,949.52

Finding the Fourth Proportional to 255,666.72, 352,822.40 and 140,949.52

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Solution

The fourth proportional to 255,666.72, 352,822.40 and 140,949.52 is: 194,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,666.72 : 352,822.40 = 140,949.52 : x
  2. Step 2: Convert to fraction form
    255,666.72/352,822.40 = 140,949.52/x
  3. Step 3: Cross multiply
    255,666.72x = 352,822.40 × 140,949.52
  4. Step 4: Simplify right side
    255,666.72x = 49,730,147,659.85
  5. Step 5: Solve for x
    x = 49,730,147,659.85/255,666.72
  6. Step 6: Final answer
    x = 194,511.62

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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.