Home / 245,921.39-368,895.24-77,454.84

Finding the Fourth Proportional to 245,921.39, 368,895.24 and 77,454.84

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Solution

The fourth proportional to 245,921.39, 368,895.24 and 77,454.84 is: 116,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,921.39 : 368,895.24 = 77,454.84 : x
  2. Step 2: Convert to fraction form
    245,921.39/368,895.24 = 77,454.84/x
  3. Step 3: Cross multiply
    245,921.39x = 368,895.24 × 77,454.84
  4. Step 4: Simplify right side
    245,921.39x = 28,572,721,790.96
  5. Step 5: Solve for x
    x = 28,572,721,790.96/245,921.39
  6. Step 6: Final answer
    x = 116,186.41

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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.