Home / 328,431.38-453,196.80-185,182.88

Finding the Fourth Proportional to 328,431.38, 453,196.80 and 185,182.88

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Solution

The fourth proportional to 328,431.38, 453,196.80 and 185,182.88 is: 255,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,431.38 : 453,196.80 = 185,182.88 : x
  2. Step 2: Convert to fraction form
    328,431.38/453,196.80 = 185,182.88/x
  3. Step 3: Cross multiply
    328,431.38x = 453,196.80 × 185,182.88
  4. Step 4: Simplify right side
    328,431.38x = 83,924,288,630.78
  5. Step 5: Solve for x
    x = 83,924,288,630.78/328,431.38
  6. Step 6: Final answer
    x = 255,530.66

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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.