Home / 180,795.84-249,467.64-120,456.48

Finding the Fourth Proportional to 180,795.84, 249,467.64 and 120,456.48

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Solution

The fourth proportional to 180,795.84, 249,467.64 and 120,456.48 is: 166,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,795.84 : 249,467.64 = 120,456.48 : x
  2. Step 2: Convert to fraction form
    180,795.84/249,467.64 = 120,456.48/x
  3. Step 3: Cross multiply
    180,795.84x = 249,467.64 × 120,456.48
  4. Step 4: Simplify right side
    180,795.84x = 30,049,993,788.31
  5. Step 5: Solve for x
    x = 30,049,993,788.31/180,795.84
  6. Step 6: Final answer
    x = 166,209.54

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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.