Home / 275,500.40-413,090-106,823.68

Finding the Fourth Proportional to 275,500.40, 413,090 and 106,823.68

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Solution

The fourth proportional to 275,500.40, 413,090 and 106,823.68 is: 160,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,500.40 : 413,090 = 106,823.68 : x
  2. Step 2: Convert to fraction form
    275,500.40/413,090 = 106,823.68/x
  3. Step 3: Cross multiply
    275,500.40x = 413,090 × 106,823.68
  4. Step 4: Simplify right side
    275,500.40x = 44,127,793,971.20
  5. Step 5: Solve for x
    x = 44,127,793,971.20/275,500.40
  6. Step 6: Final answer
    x = 160,173.25

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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.