Home / 115,722.39-173,303.27-80,083.84

Finding the Fourth Proportional to 115,722.39, 173,303.27 and 80,083.84

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Solution

The fourth proportional to 115,722.39, 173,303.27 and 80,083.84 is: 119,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,722.39 : 173,303.27 = 80,083.84 : x
  2. Step 2: Convert to fraction form
    115,722.39/173,303.27 = 80,083.84/x
  3. Step 3: Cross multiply
    115,722.39x = 173,303.27 × 80,083.84
  4. Step 4: Simplify right side
    115,722.39x = 13,878,790,945.74
  5. Step 5: Solve for x
    x = 13,878,790,945.74/115,722.39
  6. Step 6: Final answer
    x = 119,931.77

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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.