Home / 192,280.08-288,215.88-113,431.44

Finding the Fourth Proportional to 192,280.08, 288,215.88 and 113,431.44

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Solution

The fourth proportional to 192,280.08, 288,215.88 and 113,431.44 is: 170,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,280.08 : 288,215.88 = 113,431.44 : x
  2. Step 2: Convert to fraction form
    192,280.08/288,215.88 = 113,431.44/x
  3. Step 3: Cross multiply
    192,280.08x = 288,215.88 × 113,431.44
  4. Step 4: Simplify right side
    192,280.08x = 32,692,742,299.27
  5. Step 5: Solve for x
    x = 32,692,742,299.27/192,280.08
  6. Step 6: Final answer
    x = 170,026.67

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1.5x scale

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.