Home / 329,579.07-454,831.37-186,330.57

Finding the Fourth Proportional to 329,579.07, 454,831.37 and 186,330.57

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Solution

The fourth proportional to 329,579.07, 454,831.37 and 186,330.57 is: 257,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,579.07 : 454,831.37 = 186,330.57 : x
  2. Step 2: Convert to fraction form
    329,579.07/454,831.37 = 186,330.57/x
  3. Step 3: Cross multiply
    329,579.07x = 454,831.37 × 186,330.57
  4. Step 4: Simplify right side
    329,579.07x = 84,748,987,494.33
  5. Step 5: Solve for x
    x = 84,748,987,494.33/329,579.07
  6. Step 6: Final answer
    x = 257,143.11

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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.