Home / 231,316.36-347,007.04-71,405.35

Finding the Fourth Proportional to 231,316.36, 347,007.04 and 71,405.35

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Solution

The fourth proportional to 231,316.36, 347,007.04 and 71,405.35 is: 107,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,316.36 : 347,007.04 = 71,405.35 : x
  2. Step 2: Convert to fraction form
    231,316.36/347,007.04 = 71,405.35/x
  3. Step 3: Cross multiply
    231,316.36x = 347,007.04 × 71,405.35
  4. Step 4: Simplify right side
    231,316.36x = 24,778,158,097.63
  5. Step 5: Solve for x
    x = 24,778,158,097.63/231,316.36
  6. Step 6: Final answer
    x = 107,118.05

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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.