Home / 130,878.96-196,274.30-49,806.75

Finding the Fourth Proportional to 130,878.96, 196,274.30 and 49,806.75

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Solution

The fourth proportional to 130,878.96, 196,274.30 and 49,806.75 is: 74,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,878.96 : 196,274.30 = 49,806.75 : x
  2. Step 2: Convert to fraction form
    130,878.96/196,274.30 = 49,806.75/x
  3. Step 3: Cross multiply
    130,878.96x = 196,274.30 × 49,806.75
  4. Step 4: Simplify right side
    130,878.96x = 9,775,784,742.49
  5. Step 5: Solve for x
    x = 9,775,784,742.49/130,878.96
  6. Step 6: Final answer
    x = 74,693.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.