Home / 164,982.16-247,362.18-76,186.72

Finding the Fourth Proportional to 164,982.16, 247,362.18 and 76,186.72

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Solution

The fourth proportional to 164,982.16, 247,362.18 and 76,186.72 is: 114,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,982.16 : 247,362.18 = 76,186.72 : x
  2. Step 2: Convert to fraction form
    164,982.16/247,362.18 = 76,186.72/x
  3. Step 3: Cross multiply
    164,982.16x = 247,362.18 × 76,186.72
  4. Step 4: Simplify right side
    164,982.16x = 18,845,713,146.25
  5. Step 5: Solve for x
    x = 18,845,713,146.25/164,982.16
  6. Step 6: Final answer
    x = 114,228.79

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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.