Home / 199,151.51-274,703.49-118,518.84

Finding the Fourth Proportional to 199,151.51, 274,703.49 and 118,518.84

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Solution

The fourth proportional to 199,151.51, 274,703.49 and 118,518.84 is: 163,481.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,151.51 : 274,703.49 = 118,518.84 : x
  2. Step 2: Convert to fraction form
    199,151.51/274,703.49 = 118,518.84/x
  3. Step 3: Cross multiply
    199,151.51x = 274,703.49 × 118,518.84
  4. Step 4: Simplify right side
    199,151.51x = 32,557,538,978.75
  5. Step 5: Solve for x
    x = 32,557,538,978.75/199,151.51
  6. Step 6: Final answer
    x = 163,481.26

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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.