Home / 206,335.23-309,495.54-56,573.12

Finding the Fourth Proportional to 206,335.23, 309,495.54 and 56,573.12

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Solution

The fourth proportional to 206,335.23, 309,495.54 and 56,573.12 is: 84,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,335.23 : 309,495.54 = 56,573.12 : x
  2. Step 2: Convert to fraction form
    206,335.23/309,495.54 = 56,573.12/x
  3. Step 3: Cross multiply
    206,335.23x = 309,495.54 × 56,573.12
  4. Step 4: Simplify right side
    206,335.23x = 17,509,126,776.41
  5. Step 5: Solve for x
    x = 17,509,126,776.41/206,335.23
  6. Step 6: Final answer
    x = 84,857.67

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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.