Home / 193,869.80-290,804.70-127,514.60

Finding the Fourth Proportional to 193,869.80, 290,804.70 and 127,514.60

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Solution

The fourth proportional to 193,869.80, 290,804.70 and 127,514.60 is: 191,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,869.80 : 290,804.70 = 127,514.60 : x
  2. Step 2: Convert to fraction form
    193,869.80/290,804.70 = 127,514.60/x
  3. Step 3: Cross multiply
    193,869.80x = 290,804.70 × 127,514.60
  4. Step 4: Simplify right side
    193,869.80x = 37,081,844,998.62
  5. Step 5: Solve for x
    x = 37,081,844,998.62/193,869.80
  6. Step 6: Final answer
    x = 191,271.90

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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.