Home / 322,120.16-483,246.64-122,403.36

Finding the Fourth Proportional to 322,120.16, 483,246.64 and 122,403.36

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Solution

The fourth proportional to 322,120.16, 483,246.64 and 122,403.36 is: 183,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,120.16 : 483,246.64 = 122,403.36 : x
  2. Step 2: Convert to fraction form
    322,120.16/483,246.64 = 122,403.36/x
  3. Step 3: Cross multiply
    322,120.16x = 483,246.64 × 122,403.36
  4. Step 4: Simplify right side
    322,120.16x = 59,151,012,444.71
  5. Step 5: Solve for x
    x = 59,151,012,444.71/322,120.16
  6. Step 6: Final answer
    x = 183,630.27

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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.