Home / 110,266.29-152,147.49-74,020.37

Finding the Fourth Proportional to 110,266.29, 152,147.49 and 74,020.37

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Solution

The fourth proportional to 110,266.29, 152,147.49 and 74,020.37 is: 102,134.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,266.29 : 152,147.49 = 74,020.37 : x
  2. Step 2: Convert to fraction form
    110,266.29/152,147.49 = 74,020.37/x
  3. Step 3: Cross multiply
    110,266.29x = 152,147.49 × 74,020.37
  4. Step 4: Simplify right side
    110,266.29x = 11,262,012,743.63
  5. Step 5: Solve for x
    x = 11,262,012,743.63/110,266.29
  6. Step 6: Final answer
    x = 102,134.68

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1.5x scale

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.