Home / 328,316.64-453,049.79-185,111.88

Finding the Fourth Proportional to 328,316.64, 453,049.79 and 185,111.88

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Solution

The fourth proportional to 328,316.64, 453,049.79 and 185,111.88 is: 255,439.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,316.64 : 453,049.79 = 185,111.88 : x
  2. Step 2: Convert to fraction form
    328,316.64/453,049.79 = 185,111.88/x
  3. Step 3: Cross multiply
    328,316.64x = 453,049.79 × 185,111.88
  4. Step 4: Simplify right side
    328,316.64x = 83,864,897,434.95
  5. Step 5: Solve for x
    x = 83,864,897,434.95/328,316.64
  6. Step 6: Final answer
    x = 255,439.07

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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.