Home / 259,186.74-357,634.24-144,440.21

Finding the Fourth Proportional to 259,186.74, 357,634.24 and 144,440.21

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Solution

The fourth proportional to 259,186.74, 357,634.24 and 144,440.21 is: 199,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,186.74 : 357,634.24 = 144,440.21 : x
  2. Step 2: Convert to fraction form
    259,186.74/357,634.24 = 144,440.21/x
  3. Step 3: Cross multiply
    259,186.74x = 357,634.24 × 144,440.21
  4. Step 4: Simplify right side
    259,186.74x = 51,656,765,261.78
  5. Step 5: Solve for x
    x = 51,656,765,261.78/259,186.74
  6. Step 6: Final answer
    x = 199,303.27

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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.