Home / 309,179.64-463,791.06-98,834.52

Finding the Fourth Proportional to 309,179.64, 463,791.06 and 98,834.52

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Solution

The fourth proportional to 309,179.64, 463,791.06 and 98,834.52 is: 148,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,179.64 : 463,791.06 = 98,834.52 : x
  2. Step 2: Convert to fraction form
    309,179.64/463,791.06 = 98,834.52/x
  3. Step 3: Cross multiply
    309,179.64x = 463,791.06 × 98,834.52
  4. Step 4: Simplify right side
    309,179.64x = 45,838,566,795.39
  5. Step 5: Solve for x
    x = 45,838,566,795.39/309,179.64
  6. Step 6: Final answer
    x = 148,258.68

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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.