Home / 130,972.78-196,449.72-46,723.47

Finding the Fourth Proportional to 130,972.78, 196,449.72 and 46,723.47

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Solution

The fourth proportional to 130,972.78, 196,449.72 and 46,723.47 is: 70,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,972.78 : 196,449.72 = 46,723.47 : x
  2. Step 2: Convert to fraction form
    130,972.78/196,449.72 = 46,723.47/x
  3. Step 3: Cross multiply
    130,972.78x = 196,449.72 × 46,723.47
  4. Step 4: Simplify right side
    130,972.78x = 9,178,812,598.93
  5. Step 5: Solve for x
    x = 9,178,812,598.93/130,972.78
  6. Step 6: Final answer
    x = 70,081.83

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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.