Home / 140,260.62-193,431.44-109,637.76

Finding the Fourth Proportional to 140,260.62, 193,431.44 and 109,637.76

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Solution

The fourth proportional to 140,260.62, 193,431.44 and 109,637.76 is: 151,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,260.62 : 193,431.44 = 109,637.76 : x
  2. Step 2: Convert to fraction form
    140,260.62/193,431.44 = 109,637.76/x
  3. Step 3: Cross multiply
    140,260.62x = 193,431.44 × 109,637.76
  4. Step 4: Simplify right side
    140,260.62x = 21,207,389,795.17
  5. Step 5: Solve for x
    x = 21,207,389,795.17/140,260.62
  6. Step 6: Final answer
    x = 151,199.89

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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.