Home / 115,582.41-173,428.56-80,098.34

Finding the Fourth Proportional to 115,582.41, 173,428.56 and 80,098.34

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Solution

The fourth proportional to 115,582.41, 173,428.56 and 80,098.34 is: 120,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,582.41 : 173,428.56 = 80,098.34 : x
  2. Step 2: Convert to fraction form
    115,582.41/173,428.56 = 80,098.34/x
  3. Step 3: Cross multiply
    115,582.41x = 173,428.56 × 80,098.34
  4. Step 4: Simplify right side
    115,582.41x = 13,891,338,897.45
  5. Step 5: Solve for x
    x = 13,891,338,897.45/115,582.41
  6. Step 6: Final answer
    x = 120,185.58

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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.