Home / 213,856.63-294,817.93-145,786.26

Finding the Fourth Proportional to 213,856.63, 294,817.93 and 145,786.26

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Solution

The fourth proportional to 213,856.63, 294,817.93 and 145,786.26 is: 200,977.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,856.63 : 294,817.93 = 145,786.26 : x
  2. Step 2: Convert to fraction form
    213,856.63/294,817.93 = 145,786.26/x
  3. Step 3: Cross multiply
    213,856.63x = 294,817.93 × 145,786.26
  4. Step 4: Simplify right side
    213,856.63x = 42,980,401,649.22
  5. Step 5: Solve for x
    x = 42,980,401,649.22/213,856.63
  6. Step 6: Final answer
    x = 200,977.64

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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.