Home / 219,480.64-329,155.60-93,119.36

Finding the Fourth Proportional to 219,480.64, 329,155.60 and 93,119.36

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Solution

The fourth proportional to 219,480.64, 329,155.60 and 93,119.36 is: 139,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.64 : 329,155.60 = 93,119.36 : x
  2. Step 2: Convert to fraction form
    219,480.64/329,155.60 = 93,119.36/x
  3. Step 3: Cross multiply
    219,480.64x = 329,155.60 × 93,119.36
  4. Step 4: Simplify right side
    219,480.64x = 30,650,758,812.42
  5. Step 5: Solve for x
    x = 30,650,758,812.42/219,480.64
  6. Step 6: Final answer
    x = 139,651.31

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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.