Home / 140,319.83-193,620.02-79,893.02

Finding the Fourth Proportional to 140,319.83, 193,620.02 and 79,893.02

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Solution

The fourth proportional to 140,319.83, 193,620.02 and 79,893.02 is: 110,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,319.83 : 193,620.02 = 79,893.02 : x
  2. Step 2: Convert to fraction form
    140,319.83/193,620.02 = 79,893.02/x
  3. Step 3: Cross multiply
    140,319.83x = 193,620.02 × 79,893.02
  4. Step 4: Simplify right side
    140,319.83x = 15,468,886,762.70
  5. Step 5: Solve for x
    x = 15,468,886,762.70/140,319.83
  6. Step 6: Final answer
    x = 110,240.21

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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.