Home / 260,619.60-359,693.64-165,135.18

Finding the Fourth Proportional to 260,619.60, 359,693.64 and 165,135.18

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Solution

The fourth proportional to 260,619.60, 359,693.64 and 165,135.18 is: 227,911.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,619.60 : 359,693.64 = 165,135.18 : x
  2. Step 2: Convert to fraction form
    260,619.60/359,693.64 = 165,135.18/x
  3. Step 3: Cross multiply
    260,619.60x = 359,693.64 × 165,135.18
  4. Step 4: Simplify right side
    260,619.60x = 59,398,073,986.26
  5. Step 5: Solve for x
    x = 59,398,073,986.26/260,619.60
  6. Step 6: Final answer
    x = 227,911.00

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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.