Home / 219,310.03-302,648.81-118,708.03

Finding the Fourth Proportional to 219,310.03, 302,648.81 and 118,708.03

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Solution

The fourth proportional to 219,310.03, 302,648.81 and 118,708.03 is: 163,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,310.03 : 302,648.81 = 118,708.03 : x
  2. Step 2: Convert to fraction form
    219,310.03/302,648.81 = 118,708.03/x
  3. Step 3: Cross multiply
    219,310.03x = 302,648.81 × 118,708.03
  4. Step 4: Simplify right side
    219,310.03x = 35,926,843,801.72
  5. Step 5: Solve for x
    x = 35,926,843,801.72/219,310.03
  6. Step 6: Final answer
    x = 163,817.60

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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.