Home / 140,470.21-210,661.39-46,954.09

Finding the Fourth Proportional to 140,470.21, 210,661.39 and 46,954.09

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Solution

The fourth proportional to 140,470.21, 210,661.39 and 46,954.09 is: 70,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,470.21 : 210,661.39 = 46,954.09 : x
  2. Step 2: Convert to fraction form
    140,470.21/210,661.39 = 46,954.09/x
  3. Step 3: Cross multiply
    140,470.21x = 210,661.39 × 46,954.09
  4. Step 4: Simplify right side
    140,470.21x = 9,891,412,577.51
  5. Step 5: Solve for x
    x = 9,891,412,577.51/140,470.21
  6. Step 6: Final answer
    x = 70,416.45

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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.