Home / 328,512.72-453,341.57-185,272.86

Finding the Fourth Proportional to 328,512.72, 453,341.57 and 185,272.86

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Solution

The fourth proportional to 328,512.72, 453,341.57 and 185,272.86 is: 255,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,512.72 : 453,341.57 = 185,272.86 : x
  2. Step 2: Convert to fraction form
    328,512.72/453,341.57 = 185,272.86/x
  3. Step 3: Cross multiply
    328,512.72x = 453,341.57 × 185,272.86
  4. Step 4: Simplify right side
    328,512.72x = 83,991,888,304.43
  5. Step 5: Solve for x
    x = 83,991,888,304.43/328,512.72
  6. Step 6: Final answer
    x = 255,673.17

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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.