Home / 228,051.90-342,077.85-109,735.20

Finding the Fourth Proportional to 228,051.90, 342,077.85 and 109,735.20

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Solution

The fourth proportional to 228,051.90, 342,077.85 and 109,735.20 is: 164,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,051.90 : 342,077.85 = 109,735.20 : x
  2. Step 2: Convert to fraction form
    228,051.90/342,077.85 = 109,735.20/x
  3. Step 3: Cross multiply
    228,051.90x = 342,077.85 × 109,735.20
  4. Step 4: Simplify right side
    228,051.90x = 37,537,981,285.32
  5. Step 5: Solve for x
    x = 37,537,981,285.32/228,051.90
  6. Step 6: Final answer
    x = 164,602.80

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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.