Home / 343,054.87-473,408.64-190,091.75

Finding the Fourth Proportional to 343,054.87, 473,408.64 and 190,091.75

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Solution

The fourth proportional to 343,054.87, 473,408.64 and 190,091.75 is: 262,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,054.87 : 473,408.64 = 190,091.75 : x
  2. Step 2: Convert to fraction form
    343,054.87/473,408.64 = 190,091.75/x
  3. Step 3: Cross multiply
    343,054.87x = 473,408.64 × 190,091.75
  4. Step 4: Simplify right side
    343,054.87x = 89,991,074,475.68
  5. Step 5: Solve for x
    x = 89,991,074,475.68/343,054.87
  6. Step 6: Final answer
    x = 262,322.69

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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.