Home / 236,746.24-355,119.32-86,921.69

Finding the Fourth Proportional to 236,746.24, 355,119.32 and 86,921.69

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Solution

The fourth proportional to 236,746.24, 355,119.32 and 86,921.69 is: 130,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,746.24 : 355,119.32 = 86,921.69 : x
  2. Step 2: Convert to fraction form
    236,746.24/355,119.32 = 86,921.69/x
  3. Step 3: Cross multiply
    236,746.24x = 355,119.32 × 86,921.69
  4. Step 4: Simplify right side
    236,746.24x = 30,867,569,887.76
  5. Step 5: Solve for x
    x = 30,867,569,887.76/236,746.24
  6. Step 6: Final answer
    x = 130,382.52

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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.