Home / 109,538.26-164,307.40-26,432.26

Finding the Fourth Proportional to 109,538.26, 164,307.40 and 26,432.26

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Solution

The fourth proportional to 109,538.26, 164,307.40 and 26,432.26 is: 39,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,538.26 : 164,307.40 = 26,432.26 : x
  2. Step 2: Convert to fraction form
    109,538.26/164,307.40 = 26,432.26/x
  3. Step 3: Cross multiply
    109,538.26x = 164,307.40 × 26,432.26
  4. Step 4: Simplify right side
    109,538.26x = 4,343,015,916.72
  5. Step 5: Solve for x
    x = 4,343,015,916.72/109,538.26
  6. Step 6: Final answer
    x = 39,648.39

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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.