Home / 208,085.33-312,180.85-58,326.25

Finding the Fourth Proportional to 208,085.33, 312,180.85 and 58,326.25

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Solution

The fourth proportional to 208,085.33, 312,180.85 and 58,326.25 is: 87,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,085.33 : 312,180.85 = 58,326.25 : x
  2. Step 2: Convert to fraction form
    208,085.33/312,180.85 = 58,326.25/x
  3. Step 3: Cross multiply
    208,085.33x = 312,180.85 × 58,326.25
  4. Step 4: Simplify right side
    208,085.33x = 18,208,338,302.31
  5. Step 5: Solve for x
    x = 18,208,338,302.31/208,085.33
  6. Step 6: Final answer
    x = 87,504.19

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1.5x scale

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.