Home / 141,181.21-211,607.70-52,378.08

Finding the Fourth Proportional to 141,181.21, 211,607.70 and 52,378.08

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Solution

The fourth proportional to 141,181.21, 211,607.70 and 52,378.08 is: 78,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,181.21 : 211,607.70 = 52,378.08 : x
  2. Step 2: Convert to fraction form
    141,181.21/211,607.70 = 52,378.08/x
  3. Step 3: Cross multiply
    141,181.21x = 211,607.70 × 52,378.08
  4. Step 4: Simplify right side
    141,181.21x = 11,083,605,039.22
  5. Step 5: Solve for x
    x = 11,083,605,039.22/141,181.21
  6. Step 6: Final answer
    x = 78,506.23

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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.