Home / 179,870.23-248,221.29-99,297.87

Finding the Fourth Proportional to 179,870.23, 248,221.29 and 99,297.87

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Solution

The fourth proportional to 179,870.23, 248,221.29 and 99,297.87 is: 137,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,870.23 : 248,221.29 = 99,297.87 : x
  2. Step 2: Convert to fraction form
    179,870.23/248,221.29 = 99,297.87/x
  3. Step 3: Cross multiply
    179,870.23x = 248,221.29 × 99,297.87
  4. Step 4: Simplify right side
    179,870.23x = 24,647,845,385.65
  5. Step 5: Solve for x
    x = 24,647,845,385.65/179,870.23
  6. Step 6: Final answer
    x = 137,031.27

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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.