Home / 470,742.49-706,107.62-115,759.61

Finding the Fourth Proportional to 470,742.49, 706,107.62 and 115,759.61

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Solution

The fourth proportional to 470,742.49, 706,107.62 and 115,759.61 is: 173,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,742.49 : 706,107.62 = 115,759.61 : x
  2. Step 2: Convert to fraction form
    470,742.49/706,107.62 = 115,759.61/x
  3. Step 3: Cross multiply
    470,742.49x = 706,107.62 × 115,759.61
  4. Step 4: Simplify right side
    470,742.49x = 81,738,742,130.43
  5. Step 5: Solve for x
    x = 81,738,742,130.43/470,742.49
  6. Step 6: Final answer
    x = 173,637.91

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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.