Home / 214,161.02-295,408.05-137,779.51

Finding the Fourth Proportional to 214,161.02, 295,408.05 and 137,779.51

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Solution

The fourth proportional to 214,161.02, 295,408.05 and 137,779.51 is: 190,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,161.02 : 295,408.05 = 137,779.51 : x
  2. Step 2: Convert to fraction form
    214,161.02/295,408.05 = 137,779.51/x
  3. Step 3: Cross multiply
    214,161.02x = 295,408.05 × 137,779.51
  4. Step 4: Simplify right side
    214,161.02x = 40,701,176,379.06
  5. Step 5: Solve for x
    x = 40,701,176,379.06/214,161.02
  6. Step 6: Final answer
    x = 190,049.41

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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.