Home / 165,331.36-247,988.16-96,980.96

Finding the Fourth Proportional to 165,331.36, 247,988.16 and 96,980.96

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Solution

The fourth proportional to 165,331.36, 247,988.16 and 96,980.96 is: 145,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.36 : 247,988.16 = 96,980.96 : x
  2. Step 2: Convert to fraction form
    165,331.36/247,988.16 = 96,980.96/x
  3. Step 3: Cross multiply
    165,331.36x = 247,988.16 × 96,980.96
  4. Step 4: Simplify right side
    165,331.36x = 24,050,129,825.43
  5. Step 5: Solve for x
    x = 24,050,129,825.43/165,331.36
  6. Step 6: Final answer
    x = 145,466.23

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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.