Home / 199,297.89-274,875.57-127,684.62

Finding the Fourth Proportional to 199,297.89, 274,875.57 and 127,684.62

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Solution

The fourth proportional to 199,297.89, 274,875.57 and 127,684.62 is: 176,105.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,297.89 : 274,875.57 = 127,684.62 : x
  2. Step 2: Convert to fraction form
    199,297.89/274,875.57 = 127,684.62/x
  3. Step 3: Cross multiply
    199,297.89x = 274,875.57 × 127,684.62
  4. Step 4: Simplify right side
    199,297.89x = 35,097,382,702.73
  5. Step 5: Solve for x
    x = 35,097,382,702.73/199,297.89
  6. Step 6: Final answer
    x = 176,105.14

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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.