Home / 293,090.32-439,340.10-115,528.60

Finding the Fourth Proportional to 293,090.32, 439,340.10 and 115,528.60

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Solution

The fourth proportional to 293,090.32, 439,340.10 and 115,528.60 is: 173,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,090.32 : 439,340.10 = 115,528.60 : x
  2. Step 2: Convert to fraction form
    293,090.32/439,340.10 = 115,528.60/x
  3. Step 3: Cross multiply
    293,090.32x = 439,340.10 × 115,528.60
  4. Step 4: Simplify right side
    293,090.32x = 50,756,346,676.86
  5. Step 5: Solve for x
    x = 50,756,346,676.86/293,090.32
  6. Step 6: Final answer
    x = 173,176.47

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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.