Home / 353,629.60-530,444.40-164,089.60

Finding the Fourth Proportional to 353,629.60, 530,444.40 and 164,089.60

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Solution

The fourth proportional to 353,629.60, 530,444.40 and 164,089.60 is: 246,134.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,629.60 : 530,444.40 = 164,089.60 : x
  2. Step 2: Convert to fraction form
    353,629.60/530,444.40 = 164,089.60/x
  3. Step 3: Cross multiply
    353,629.60x = 530,444.40 × 164,089.60
  4. Step 4: Simplify right side
    353,629.60x = 87,040,409,418.24
  5. Step 5: Solve for x
    x = 87,040,409,418.24/353,629.60
  6. Step 6: Final answer
    x = 246,134.40

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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.