Home / 314,868.96-434,213.91-199,944.90

Finding the Fourth Proportional to 314,868.96, 434,213.91 and 199,944.90

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Solution

The fourth proportional to 314,868.96, 434,213.91 and 199,944.90 is: 275,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,868.96 : 434,213.91 = 199,944.90 : x
  2. Step 2: Convert to fraction form
    314,868.96/434,213.91 = 199,944.90/x
  3. Step 3: Cross multiply
    314,868.96x = 434,213.91 × 199,944.90
  4. Step 4: Simplify right side
    314,868.96x = 86,818,856,813.56
  5. Step 5: Solve for x
    x = 86,818,856,813.56/314,868.96
  6. Step 6: Final answer
    x = 275,730.12

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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.