Home / 440,097.60-659,822.64-140,405.68

Finding the Fourth Proportional to 440,097.60, 659,822.64 and 140,405.68

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Solution

The fourth proportional to 440,097.60, 659,822.64 and 140,405.68 is: 210,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,097.60 : 659,822.64 = 140,405.68 : x
  2. Step 2: Convert to fraction form
    440,097.60/659,822.64 = 140,405.68/x
  3. Step 3: Cross multiply
    440,097.60x = 659,822.64 × 140,405.68
  4. Step 4: Simplify right side
    440,097.60x = 92,642,846,448.60
  5. Step 5: Solve for x
    x = 92,642,846,448.60/440,097.60
  6. Step 6: Final answer
    x = 210,505.23

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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.