Home / 353,890.20-530,835.30-185,928.60

Finding the Fourth Proportional to 353,890.20, 530,835.30 and 185,928.60

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Solution

The fourth proportional to 353,890.20, 530,835.30 and 185,928.60 is: 278,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,890.20 : 530,835.30 = 185,928.60 : x
  2. Step 2: Convert to fraction form
    353,890.20/530,835.30 = 185,928.60/x
  3. Step 3: Cross multiply
    353,890.20x = 530,835.30 × 185,928.60
  4. Step 4: Simplify right side
    353,890.20x = 98,697,464,159.58
  5. Step 5: Solve for x
    x = 98,697,464,159.58/353,890.20
  6. Step 6: Final answer
    x = 278,892.90

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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.