Home / 190,962.38-286,441.74-116,103.20

Finding the Fourth Proportional to 190,962.38, 286,441.74 and 116,103.20

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Solution

The fourth proportional to 190,962.38, 286,441.74 and 116,103.20 is: 174,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,962.38 : 286,441.74 = 116,103.20 : x
  2. Step 2: Convert to fraction form
    190,962.38/286,441.74 = 116,103.20/x
  3. Step 3: Cross multiply
    190,962.38x = 286,441.74 × 116,103.20
  4. Step 4: Simplify right side
    190,962.38x = 33,256,802,627.57
  5. Step 5: Solve for x
    x = 33,256,802,627.57/190,962.38
  6. Step 6: Final answer
    x = 174,153.69

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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.