Home / 168,045.06-231,746.37-122,651.19

Finding the Fourth Proportional to 168,045.06, 231,746.37 and 122,651.19

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Solution

The fourth proportional to 168,045.06, 231,746.37 and 122,651.19 is: 169,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045.06 : 231,746.37 = 122,651.19 : x
  2. Step 2: Convert to fraction form
    168,045.06/231,746.37 = 122,651.19/x
  3. Step 3: Cross multiply
    168,045.06x = 231,746.37 × 122,651.19
  4. Step 4: Simplify right side
    168,045.06x = 28,423,968,058.68
  5. Step 5: Solve for x
    x = 28,423,968,058.68/168,045.06
  6. Step 6: Final answer
    x = 169,144.92

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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.