Home / 179,590.30-247,836.32-99,020.77

Finding the Fourth Proportional to 179,590.30, 247,836.32 and 99,020.77

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Solution

The fourth proportional to 179,590.30, 247,836.32 and 99,020.77 is: 136,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,590.30 : 247,836.32 = 99,020.77 : x
  2. Step 2: Convert to fraction form
    179,590.30/247,836.32 = 99,020.77/x
  3. Step 3: Cross multiply
    179,590.30x = 247,836.32 × 99,020.77
  4. Step 4: Simplify right side
    179,590.30x = 24,540,943,240.37
  5. Step 5: Solve for x
    x = 24,540,943,240.37/179,590.30
  6. Step 6: Final answer
    x = 136,649.60

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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.