Home / 211,983.90-317,392.65-201,486.30

Finding the Fourth Proportional to 211,983.90, 317,392.65 and 201,486.30

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Solution

The fourth proportional to 211,983.90, 317,392.65 and 201,486.30 is: 301,675.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,983.90 : 317,392.65 = 201,486.30 : x
  2. Step 2: Convert to fraction form
    211,983.90/317,392.65 = 201,486.30/x
  3. Step 3: Cross multiply
    211,983.90x = 317,392.65 × 201,486.30
  4. Step 4: Simplify right side
    211,983.90x = 63,950,270,695.70
  5. Step 5: Solve for x
    x = 63,950,270,695.70/211,983.90
  6. Step 6: Final answer
    x = 301,675.13

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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.