Home / 201,962.10-278,691.32-117,084.63

Finding the Fourth Proportional to 201,962.10, 278,691.32 and 117,084.63

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Solution

The fourth proportional to 201,962.10, 278,691.32 and 117,084.63 is: 161,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,962.10 : 278,691.32 = 117,084.63 : x
  2. Step 2: Convert to fraction form
    201,962.10/278,691.32 = 117,084.63/x
  3. Step 3: Cross multiply
    201,962.10x = 278,691.32 × 117,084.63
  4. Step 4: Simplify right side
    201,962.10x = 32,630,470,765.61
  5. Step 5: Solve for x
    x = 32,630,470,765.61/201,962.10
  6. Step 6: Final answer
    x = 161,567.29

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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.