Home / 110,351.16-165,428.30-91,783.52

Finding the Fourth Proportional to 110,351.16, 165,428.30 and 91,783.52

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Solution

The fourth proportional to 110,351.16, 165,428.30 and 91,783.52 is: 137,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,351.16 : 165,428.30 = 91,783.52 : x
  2. Step 2: Convert to fraction form
    110,351.16/165,428.30 = 91,783.52/x
  3. Step 3: Cross multiply
    110,351.16x = 165,428.30 × 91,783.52
  4. Step 4: Simplify right side
    110,351.16x = 15,183,591,681.62
  5. Step 5: Solve for x
    x = 15,183,591,681.62/110,351.16
  6. Step 6: Final answer
    x = 137,593.40

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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.