Home / 115,795.28-173,513.59-80,325.58

Finding the Fourth Proportional to 115,795.28, 173,513.59 and 80,325.58

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Solution

The fourth proportional to 115,795.28, 173,513.59 and 80,325.58 is: 120,363.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,795.28 : 173,513.59 = 80,325.58 : x
  2. Step 2: Convert to fraction form
    115,795.28/173,513.59 = 80,325.58/x
  3. Step 3: Cross multiply
    115,795.28x = 173,513.59 × 80,325.58
  4. Step 4: Simplify right side
    115,795.28x = 13,937,579,754.63
  5. Step 5: Solve for x
    x = 13,937,579,754.63/115,795.28
  6. Step 6: Final answer
    x = 120,363.97

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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.