Home / 260,615.60-359,688.12-165,131.18

Finding the Fourth Proportional to 260,615.60, 359,688.12 and 165,131.18

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Solution

The fourth proportional to 260,615.60, 359,688.12 and 165,131.18 is: 227,905.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,615.60 : 359,688.12 = 165,131.18 : x
  2. Step 2: Convert to fraction form
    260,615.60/359,688.12 = 165,131.18/x
  3. Step 3: Cross multiply
    260,615.60x = 359,688.12 × 165,131.18
  4. Step 4: Simplify right side
    260,615.60x = 59,395,723,687.58
  5. Step 5: Solve for x
    x = 59,395,723,687.58/260,615.60
  6. Step 6: Final answer
    x = 227,905.48

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1.5x scale

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.