Home / 165,507.19-248,223.85-76,749.17

Finding the Fourth Proportional to 165,507.19, 248,223.85 and 76,749.17

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Solution

The fourth proportional to 165,507.19, 248,223.85 and 76,749.17 is: 115,106.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,507.19 : 248,223.85 = 76,749.17 : x
  2. Step 2: Convert to fraction form
    165,507.19/248,223.85 = 76,749.17/x
  3. Step 3: Cross multiply
    165,507.19x = 248,223.85 × 76,749.17
  4. Step 4: Simplify right side
    165,507.19x = 19,050,973,028.71
  5. Step 5: Solve for x
    x = 19,050,973,028.71/165,507.19
  6. Step 6: Final answer
    x = 115,106.62

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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.