Home / 199,386.36-275,083.70-127,805.85

Finding the Fourth Proportional to 199,386.36, 275,083.70 and 127,805.85

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Solution

The fourth proportional to 199,386.36, 275,083.70 and 127,805.85 is: 176,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,386.36 : 275,083.70 = 127,805.85 : x
  2. Step 2: Convert to fraction form
    199,386.36/275,083.70 = 127,805.85/x
  3. Step 3: Cross multiply
    199,386.36x = 275,083.70 × 127,805.85
  4. Step 4: Simplify right side
    199,386.36x = 35,157,305,460.62
  5. Step 5: Solve for x
    x = 35,157,305,460.62/199,386.36
  6. Step 6: Final answer
    x = 176,327.54

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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.