Home / 209,086.81-313,582.93-96,705.36

Finding the Fourth Proportional to 209,086.81, 313,582.93 and 96,705.36

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Solution

The fourth proportional to 209,086.81, 313,582.93 and 96,705.36 is: 145,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,086.81 : 313,582.93 = 96,705.36 : x
  2. Step 2: Convert to fraction form
    209,086.81/313,582.93 = 96,705.36/x
  3. Step 3: Cross multiply
    209,086.81x = 313,582.93 × 96,705.36
  4. Step 4: Simplify right side
    209,086.81x = 30,325,149,893.74
  5. Step 5: Solve for x
    x = 30,325,149,893.74/209,086.81
  6. Step 6: Final answer
    x = 145,036.17

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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.