Home / 140,094.43-193,335.74-79,670.59

Finding the Fourth Proportional to 140,094.43, 193,335.74 and 79,670.59

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Solution

The fourth proportional to 140,094.43, 193,335.74 and 79,670.59 is: 109,948.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,094.43 : 193,335.74 = 79,670.59 : x
  2. Step 2: Convert to fraction form
    140,094.43/193,335.74 = 79,670.59/x
  3. Step 3: Cross multiply
    140,094.43x = 193,335.74 × 79,670.59
  4. Step 4: Simplify right side
    140,094.43x = 15,403,172,473.89
  5. Step 5: Solve for x
    x = 15,403,172,473.89/140,094.43
  6. Step 6: Final answer
    x = 109,948.50

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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.