Home / 140,194.18-193,468.26-76,533.04

Finding the Fourth Proportional to 140,194.18, 193,468.26 and 76,533.04

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Solution

The fourth proportional to 140,194.18, 193,468.26 and 76,533.04 is: 105,615.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,194.18 : 193,468.26 = 76,533.04 : x
  2. Step 2: Convert to fraction form
    140,194.18/193,468.26 = 76,533.04/x
  3. Step 3: Cross multiply
    140,194.18x = 193,468.26 × 76,533.04
  4. Step 4: Simplify right side
    140,194.18x = 14,806,714,081.31
  5. Step 5: Solve for x
    x = 14,806,714,081.31/140,194.18
  6. Step 6: Final answer
    x = 105,615.75

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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.