Home / 211,790.30-292,260.35-114,991.85

Finding the Fourth Proportional to 211,790.30, 292,260.35 and 114,991.85

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Solution

The fourth proportional to 211,790.30, 292,260.35 and 114,991.85 is: 158,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,790.30 : 292,260.35 = 114,991.85 : x
  2. Step 2: Convert to fraction form
    211,790.30/292,260.35 = 114,991.85/x
  3. Step 3: Cross multiply
    211,790.30x = 292,260.35 × 114,991.85
  4. Step 4: Simplify right side
    211,790.30x = 33,607,559,346.28
  5. Step 5: Solve for x
    x = 33,607,559,346.28/211,790.30
  6. Step 6: Final answer
    x = 158,683.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.