Home / 314,269.12-434,198.78-219,200.23

Finding the Fourth Proportional to 314,269.12, 434,198.78 and 219,200.23

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Solution

The fourth proportional to 314,269.12, 434,198.78 and 219,200.23 is: 302,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,269.12 : 434,198.78 = 219,200.23 : x
  2. Step 2: Convert to fraction form
    314,269.12/434,198.78 = 219,200.23/x
  3. Step 3: Cross multiply
    314,269.12x = 434,198.78 × 219,200.23
  4. Step 4: Simplify right side
    314,269.12x = 95,176,472,441.72
  5. Step 5: Solve for x
    x = 95,176,472,441.72/314,269.12
  6. Step 6: Final answer
    x = 302,850.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.