Home / 195,783.13-270,199.74-109,756.72

Finding the Fourth Proportional to 195,783.13, 270,199.74 and 109,756.72

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Solution

The fourth proportional to 195,783.13, 270,199.74 and 109,756.72 is: 151,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,783.13 : 270,199.74 = 109,756.72 : x
  2. Step 2: Convert to fraction form
    195,783.13/270,199.74 = 109,756.72/x
  3. Step 3: Cross multiply
    195,783.13x = 270,199.74 × 109,756.72
  4. Step 4: Simplify right side
    195,783.13x = 29,656,237,207.25
  5. Step 5: Solve for x
    x = 29,656,237,207.25/195,783.13
  6. Step 6: Final answer
    x = 151,474.94

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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.