Home / 169,933.02-234,449.16-105,379.05

Finding the Fourth Proportional to 169,933.02, 234,449.16 and 105,379.05

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Solution

The fourth proportional to 169,933.02, 234,449.16 and 105,379.05 is: 145,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,933.02 : 234,449.16 = 105,379.05 : x
  2. Step 2: Convert to fraction form
    169,933.02/234,449.16 = 105,379.05/x
  3. Step 3: Cross multiply
    169,933.02x = 234,449.16 × 105,379.05
  4. Step 4: Simplify right side
    169,933.02x = 24,706,029,754.10
  5. Step 5: Solve for x
    x = 24,706,029,754.10/169,933.02
  6. Step 6: Final answer
    x = 145,386.87

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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.