Home / 109,206.90-163,833.73-61,844.37

Finding the Fourth Proportional to 109,206.90, 163,833.73 and 61,844.37

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Solution

The fourth proportional to 109,206.90, 163,833.73 and 61,844.37 is: 92,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,206.90 : 163,833.73 = 61,844.37 : x
  2. Step 2: Convert to fraction form
    109,206.90/163,833.73 = 61,844.37/x
  3. Step 3: Cross multiply
    109,206.90x = 163,833.73 × 61,844.37
  4. Step 4: Simplify right side
    109,206.90x = 10,132,194,508.28
  5. Step 5: Solve for x
    x = 10,132,194,508.28/109,206.90
  6. Step 6: Final answer
    x = 92,779.80

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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.