Home / 218,289.36-301,068.72-141,833.12

Finding the Fourth Proportional to 218,289.36, 301,068.72 and 141,833.12

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Solution

The fourth proportional to 218,289.36, 301,068.72 and 141,833.12 is: 195,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,289.36 : 301,068.72 = 141,833.12 : x
  2. Step 2: Convert to fraction form
    218,289.36/301,068.72 = 141,833.12/x
  3. Step 3: Cross multiply
    218,289.36x = 301,068.72 × 141,833.12
  4. Step 4: Simplify right side
    218,289.36x = 42,701,515,892.01
  5. Step 5: Solve for x
    x = 42,701,515,892.01/218,289.36
  6. Step 6: Final answer
    x = 195,618.86

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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.