Home / 355,191.14-490,173.38-212,034.26

Finding the Fourth Proportional to 355,191.14, 490,173.38 and 212,034.26

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Solution

The fourth proportional to 355,191.14, 490,173.38 and 212,034.26 is: 292,613.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,191.14 : 490,173.38 = 212,034.26 : x
  2. Step 2: Convert to fraction form
    355,191.14/490,173.38 = 212,034.26/x
  3. Step 3: Cross multiply
    355,191.14x = 490,173.38 × 212,034.26
  4. Step 4: Simplify right side
    355,191.14x = 103,933,549,900.00
  5. Step 5: Solve for x
    x = 103,933,549,900.00/355,191.14
  6. Step 6: Final answer
    x = 292,613.01

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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.