Home / 219,087.60-328,501.80-114,111.60

Finding the Fourth Proportional to 219,087.60, 328,501.80 and 114,111.60

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Solution

The fourth proportional to 219,087.60, 328,501.80 and 114,111.60 is: 171,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,087.60 : 328,501.80 = 114,111.60 : x
  2. Step 2: Convert to fraction form
    219,087.60/328,501.80 = 114,111.60/x
  3. Step 3: Cross multiply
    219,087.60x = 328,501.80 × 114,111.60
  4. Step 4: Simplify right side
    219,087.60x = 37,485,866,000.88
  5. Step 5: Solve for x
    x = 37,485,866,000.88/219,087.60
  6. Step 6: Final answer
    x = 171,099.90

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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.