Home / 272,475.74-376,152.74-211,085.33

Finding the Fourth Proportional to 272,475.74, 376,152.74 and 211,085.33

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Solution

The fourth proportional to 272,475.74, 376,152.74 and 211,085.33 is: 291,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,475.74 : 376,152.74 = 211,085.33 : x
  2. Step 2: Convert to fraction form
    272,475.74/376,152.74 = 211,085.33/x
  3. Step 3: Cross multiply
    272,475.74x = 376,152.74 × 211,085.33
  4. Step 4: Simplify right side
    272,475.74x = 79,400,325,138.26
  5. Step 5: Solve for x
    x = 79,400,325,138.26/272,475.74
  6. Step 6: Final answer
    x = 291,403.28

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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.