Home / 148,090.12-204,397.16-102,214.16

Finding the Fourth Proportional to 148,090.12, 204,397.16 and 102,214.16

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Solution

The fourth proportional to 148,090.12, 204,397.16 and 102,214.16 is: 141,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,090.12 : 204,397.16 = 102,214.16 : x
  2. Step 2: Convert to fraction form
    148,090.12/204,397.16 = 102,214.16/x
  3. Step 3: Cross multiply
    148,090.12x = 204,397.16 × 102,214.16
  4. Step 4: Simplify right side
    148,090.12x = 20,892,284,015.79
  5. Step 5: Solve for x
    x = 20,892,284,015.79/148,090.12
  6. Step 6: Final answer
    x = 141,078.18

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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.