Home / 353,621.90-530,536.19-113,730.41

Finding the Fourth Proportional to 353,621.90, 530,536.19 and 113,730.41

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Solution

The fourth proportional to 353,621.90, 530,536.19 and 113,730.41 is: 170,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,621.90 : 530,536.19 = 113,730.41 : x
  2. Step 2: Convert to fraction form
    353,621.90/530,536.19 = 113,730.41/x
  3. Step 3: Cross multiply
    353,621.90x = 530,536.19 × 113,730.41
  4. Step 4: Simplify right side
    353,621.90x = 60,338,095,187.20
  5. Step 5: Solve for x
    x = 60,338,095,187.20/353,621.90
  6. Step 6: Final answer
    x = 170,628.84

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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.