Home / 355,112.12-490,051.80-193,967.26

Finding the Fourth Proportional to 355,112.12, 490,051.80 and 193,967.26

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Solution

The fourth proportional to 355,112.12, 490,051.80 and 193,967.26 is: 267,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,112.12 : 490,051.80 = 193,967.26 : x
  2. Step 2: Convert to fraction form
    355,112.12/490,051.80 = 193,967.26/x
  3. Step 3: Cross multiply
    355,112.12x = 490,051.80 × 193,967.26
  4. Step 4: Simplify right side
    355,112.12x = 95,054,004,904.07
  5. Step 5: Solve for x
    x = 95,054,004,904.07/355,112.12
  6. Step 6: Final answer
    x = 267,673.22

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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.