Home / 201,610.40-278,204.28-116,733.20

Finding the Fourth Proportional to 201,610.40, 278,204.28 and 116,733.20

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Solution

The fourth proportional to 201,610.40, 278,204.28 and 116,733.20 is: 161,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,610.40 : 278,204.28 = 116,733.20 : x
  2. Step 2: Convert to fraction form
    201,610.40/278,204.28 = 116,733.20/x
  3. Step 3: Cross multiply
    201,610.40x = 278,204.28 × 116,733.20
  4. Step 4: Simplify right side
    201,610.40x = 32,475,675,858.10
  5. Step 5: Solve for x
    x = 32,475,675,858.10/201,610.40
  6. Step 6: Final answer
    x = 161,081.35

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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.