Home / 307,152.32-423,725.28-179,749.04

Finding the Fourth Proportional to 307,152.32, 423,725.28 and 179,749.04

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Solution

The fourth proportional to 307,152.32, 423,725.28 and 179,749.04 is: 247,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,152.32 : 423,725.28 = 179,749.04 : x
  2. Step 2: Convert to fraction form
    307,152.32/423,725.28 = 179,749.04/x
  3. Step 3: Cross multiply
    307,152.32x = 423,725.28 × 179,749.04
  4. Step 4: Simplify right side
    307,152.32x = 76,164,212,303.73
  5. Step 5: Solve for x
    x = 76,164,212,303.73/307,152.32
  6. Step 6: Final answer
    x = 247,968.87

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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.