Home / 116,305.13-174,457.71-76,853.04

Finding the Fourth Proportional to 116,305.13, 174,457.71 and 76,853.04

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Solution

The fourth proportional to 116,305.13, 174,457.71 and 76,853.04 is: 115,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,305.13 : 174,457.71 = 76,853.04 : x
  2. Step 2: Convert to fraction form
    116,305.13/174,457.71 = 76,853.04/x
  3. Step 3: Cross multiply
    116,305.13x = 174,457.71 × 76,853.04
  4. Step 4: Simplify right side
    116,305.13x = 13,407,605,364.94
  5. Step 5: Solve for x
    x = 13,407,605,364.94/116,305.13
  6. Step 6: Final answer
    x = 115,279.57

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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.