Home / 190,613.07-286,012.77-134,811.78

Finding the Fourth Proportional to 190,613.07, 286,012.77 and 134,811.78

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Solution

The fourth proportional to 190,613.07, 286,012.77 and 134,811.78 is: 202,283.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,613.07 : 286,012.77 = 134,811.78 : x
  2. Step 2: Convert to fraction form
    190,613.07/286,012.77 = 134,811.78/x
  3. Step 3: Cross multiply
    190,613.07x = 286,012.77 × 134,811.78
  4. Step 4: Simplify right side
    190,613.07x = 38,557,890,626.43
  5. Step 5: Solve for x
    x = 38,557,890,626.43/190,613.07
  6. Step 6: Final answer
    x = 202,283.56

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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.