Home / 328,430.88-453,196.11-185,182.38

Finding the Fourth Proportional to 328,430.88, 453,196.11 and 185,182.38

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Solution

The fourth proportional to 328,430.88, 453,196.11 and 185,182.38 is: 255,529.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,430.88 : 453,196.11 = 185,182.38 : x
  2. Step 2: Convert to fraction form
    328,430.88/453,196.11 = 185,182.38/x
  3. Step 3: Cross multiply
    328,430.88x = 453,196.11 × 185,182.38
  4. Step 4: Simplify right side
    328,430.88x = 83,923,934,256.54
  5. Step 5: Solve for x
    x = 83,923,934,256.54/328,430.88
  6. Step 6: Final answer
    x = 255,529.97

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1.5x scale

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.