Home / 201,945.26-278,684.48-117,111.53

Finding the Fourth Proportional to 201,945.26, 278,684.48 and 117,111.53

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Solution

The fourth proportional to 201,945.26, 278,684.48 and 117,111.53 is: 161,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,945.26 : 278,684.48 = 117,111.53 : x
  2. Step 2: Convert to fraction form
    201,945.26/278,684.48 = 117,111.53/x
  3. Step 3: Cross multiply
    201,945.26x = 278,684.48 × 117,111.53
  4. Step 4: Simplify right side
    201,945.26x = 32,637,165,254.50
  5. Step 5: Solve for x
    x = 32,637,165,254.50/201,945.26
  6. Step 6: Final answer
    x = 161,613.92

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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.