Home / 293,090.14-439,405.55-115,729.91

Finding the Fourth Proportional to 293,090.14, 439,405.55 and 115,729.91

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Solution

The fourth proportional to 293,090.14, 439,405.55 and 115,729.91 is: 173,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,090.14 : 439,405.55 = 115,729.91 : x
  2. Step 2: Convert to fraction form
    293,090.14/439,405.55 = 115,729.91/x
  3. Step 3: Cross multiply
    293,090.14x = 439,405.55 × 115,729.91
  4. Step 4: Simplify right side
    293,090.14x = 50,852,364,061.08
  5. Step 5: Solve for x
    x = 50,852,364,061.08/293,090.14
  6. Step 6: Final answer
    x = 173,504.18

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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.