Home / 254,458.08-381,657.96-67,484.16

Finding the Fourth Proportional to 254,458.08, 381,657.96 and 67,484.16

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Solution

The fourth proportional to 254,458.08, 381,657.96 and 67,484.16 is: 101,218.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,458.08 : 381,657.96 = 67,484.16 : x
  2. Step 2: Convert to fraction form
    254,458.08/381,657.96 = 67,484.16/x
  3. Step 3: Cross multiply
    254,458.08x = 381,657.96 × 67,484.16
  4. Step 4: Simplify right side
    254,458.08x = 25,755,866,837.91
  5. Step 5: Solve for x
    x = 25,755,866,837.91/254,458.08
  6. Step 6: Final answer
    x = 101,218.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.