Home / 219,827.60-329,741.40-141,030.80

Finding the Fourth Proportional to 219,827.60, 329,741.40 and 141,030.80

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Solution

The fourth proportional to 219,827.60, 329,741.40 and 141,030.80 is: 211,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827.60 : 329,741.40 = 141,030.80 : x
  2. Step 2: Convert to fraction form
    219,827.60/329,741.40 = 141,030.80/x
  3. Step 3: Cross multiply
    219,827.60x = 329,741.40 × 141,030.80
  4. Step 4: Simplify right side
    219,827.60x = 46,503,693,435.12
  5. Step 5: Solve for x
    x = 46,503,693,435.12/219,827.60
  6. Step 6: Final answer
    x = 211,546.20

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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.