Home / 201,111.12-277,627.68-116,211.60

Finding the Fourth Proportional to 201,111.12, 277,627.68 and 116,211.60

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Solution

The fourth proportional to 201,111.12, 277,627.68 and 116,211.60 is: 160,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,111.12 : 277,627.68 = 116,211.60 : x
  2. Step 2: Convert to fraction form
    201,111.12/277,627.68 = 116,211.60/x
  3. Step 3: Cross multiply
    201,111.12x = 277,627.68 × 116,211.60
  4. Step 4: Simplify right side
    201,111.12x = 32,263,556,897.09
  5. Step 5: Solve for x
    x = 32,263,556,897.09/201,111.12
  6. Step 6: Final answer
    x = 160,426.52

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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.