Home / 301,209.84-451,887.66-90,835.02

Finding the Fourth Proportional to 301,209.84, 451,887.66 and 90,835.02

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Solution

The fourth proportional to 301,209.84, 451,887.66 and 90,835.02 is: 136,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,209.84 : 451,887.66 = 90,835.02 : x
  2. Step 2: Convert to fraction form
    301,209.84/451,887.66 = 90,835.02/x
  3. Step 3: Cross multiply
    301,209.84x = 451,887.66 × 90,835.02
  4. Step 4: Simplify right side
    301,209.84x = 41,047,224,633.85
  5. Step 5: Solve for x
    x = 41,047,224,633.85/301,209.84
  6. Step 6: Final answer
    x = 136,274.51

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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.