Home / 180,435.24-248,990.36-99,857.96

Finding the Fourth Proportional to 180,435.24, 248,990.36 and 99,857.96

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Solution

The fourth proportional to 180,435.24, 248,990.36 and 99,857.96 is: 137,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,435.24 : 248,990.36 = 99,857.96 : x
  2. Step 2: Convert to fraction form
    180,435.24/248,990.36 = 99,857.96/x
  3. Step 3: Cross multiply
    180,435.24x = 248,990.36 × 99,857.96
  4. Step 4: Simplify right side
    180,435.24x = 24,863,669,409.27
  5. Step 5: Solve for x
    x = 24,863,669,409.27/180,435.24
  6. Step 6: Final answer
    x = 137,798.30

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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.