Home / 251,902.32-347,638.07-143,014.29

Finding the Fourth Proportional to 251,902.32, 347,638.07 and 143,014.29

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Solution

The fourth proportional to 251,902.32, 347,638.07 and 143,014.29 is: 197,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,902.32 : 347,638.07 = 143,014.29 : x
  2. Step 2: Convert to fraction form
    251,902.32/347,638.07 = 143,014.29/x
  3. Step 3: Cross multiply
    251,902.32x = 347,638.07 × 143,014.29
  4. Step 4: Simplify right side
    251,902.32x = 49,717,211,758.02
  5. Step 5: Solve for x
    x = 49,717,211,758.02/251,902.32
  6. Step 6: Final answer
    x = 197,367.03

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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.