Home / 219,040.48-328,706.52-119,225.80

Finding the Fourth Proportional to 219,040.48, 328,706.52 and 119,225.80

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Solution

The fourth proportional to 219,040.48, 328,706.52 and 119,225.80 is: 178,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,040.48 : 328,706.52 = 119,225.80 : x
  2. Step 2: Convert to fraction form
    219,040.48/328,706.52 = 119,225.80/x
  3. Step 3: Cross multiply
    219,040.48x = 328,706.52 × 119,225.80
  4. Step 4: Simplify right side
    219,040.48x = 39,190,297,812.22
  5. Step 5: Solve for x
    x = 39,190,297,812.22/219,040.48
  6. Step 6: Final answer
    x = 178,918.06

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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.