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Finding the Fourth Proportional to 181,435.88, 250,012.25 and 140,350.40

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Solution

The fourth proportional to 181,435.88, 250,012.25 and 140,350.40 is: 193,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,435.88 : 250,012.25 = 140,350.40 : x
  2. Step 2: Convert to fraction form
    181,435.88/250,012.25 = 140,350.40/x
  3. Step 3: Cross multiply
    181,435.88x = 250,012.25 × 140,350.40
  4. Step 4: Simplify right side
    181,435.88x = 35,089,319,292.40
  5. Step 5: Solve for x
    x = 35,089,319,292.40/181,435.88
  6. Step 6: Final answer
    x = 193,397.91

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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.