Home / 204,303.34-306,389.03-74,453.63

Finding the Fourth Proportional to 204,303.34, 306,389.03 and 74,453.63

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Solution

The fourth proportional to 204,303.34, 306,389.03 and 74,453.63 is: 111,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,303.34 : 306,389.03 = 74,453.63 : x
  2. Step 2: Convert to fraction form
    204,303.34/306,389.03 = 74,453.63/x
  3. Step 3: Cross multiply
    204,303.34x = 306,389.03 × 74,453.63
  4. Step 4: Simplify right side
    204,303.34x = 22,811,775,869.38
  5. Step 5: Solve for x
    x = 22,811,775,869.38/204,303.34
  6. Step 6: Final answer
    x = 111,656.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.