Home / 255,201.15-352,174.13-142,023.90

Finding the Fourth Proportional to 255,201.15, 352,174.13 and 142,023.90

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Solution

The fourth proportional to 255,201.15, 352,174.13 and 142,023.90 is: 195,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,201.15 : 352,174.13 = 142,023.90 : x
  2. Step 2: Convert to fraction form
    255,201.15/352,174.13 = 142,023.90/x
  3. Step 3: Cross multiply
    255,201.15x = 352,174.13 × 142,023.90
  4. Step 4: Simplify right side
    255,201.15x = 50,017,142,711.59
  5. Step 5: Solve for x
    x = 50,017,142,711.59/255,201.15
  6. Step 6: Final answer
    x = 195,991.06

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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.