Home / 328,717.12-453,657.36-185,483.20

Finding the Fourth Proportional to 328,717.12, 453,657.36 and 185,483.20

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Solution

The fourth proportional to 328,717.12, 453,657.36 and 185,483.20 is: 255,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,717.12 : 453,657.36 = 185,483.20 : x
  2. Step 2: Convert to fraction form
    328,717.12/453,657.36 = 185,483.20/x
  3. Step 3: Cross multiply
    328,717.12x = 453,657.36 × 185,483.20
  4. Step 4: Simplify right side
    328,717.12x = 84,145,818,836.35
  5. Step 5: Solve for x
    x = 84,145,818,836.35/328,717.12
  6. Step 6: Final answer
    x = 255,982.47

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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.