Home / 215,673.49-297,625.43-117,557.57

Finding the Fourth Proportional to 215,673.49, 297,625.43 and 117,557.57

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Solution

The fourth proportional to 215,673.49, 297,625.43 and 117,557.57 is: 162,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,673.49 : 297,625.43 = 117,557.57 : x
  2. Step 2: Convert to fraction form
    215,673.49/297,625.43 = 117,557.57/x
  3. Step 3: Cross multiply
    215,673.49x = 297,625.43 × 117,557.57
  4. Step 4: Simplify right side
    215,673.49x = 34,988,122,321.01
  5. Step 5: Solve for x
    x = 34,988,122,321.01/215,673.49
  6. Step 6: Final answer
    x = 162,227.27

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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.