Home / 168,051.06-231,754.62-122,657.22

Finding the Fourth Proportional to 168,051.06, 231,754.62 and 122,657.22

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Solution

The fourth proportional to 168,051.06, 231,754.62 and 122,657.22 is: 169,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,051.06 : 231,754.62 = 122,657.22 : x
  2. Step 2: Convert to fraction form
    168,051.06/231,754.62 = 122,657.22/x
  3. Step 3: Cross multiply
    168,051.06x = 231,754.62 × 122,657.22
  4. Step 4: Simplify right side
    168,051.06x = 28,426,377,411.36
  5. Step 5: Solve for x
    x = 28,426,377,411.36/168,051.06
  6. Step 6: Final answer
    x = 169,153.22

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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.