Home / 123,520.26-170,453.52-69,804.10

Finding the Fourth Proportional to 123,520.26, 170,453.52 and 69,804.10

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Solution

The fourth proportional to 123,520.26, 170,453.52 and 69,804.10 is: 96,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,520.26 : 170,453.52 = 69,804.10 : x
  2. Step 2: Convert to fraction form
    123,520.26/170,453.52 = 69,804.10/x
  3. Step 3: Cross multiply
    123,520.26x = 170,453.52 × 69,804.10
  4. Step 4: Simplify right side
    123,520.26x = 11,898,354,555.43
  5. Step 5: Solve for x
    x = 11,898,354,555.43/123,520.26
  6. Step 6: Final answer
    x = 96,327.15

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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.