Home / 325,281.16-449,091.76-209,041.77

Finding the Fourth Proportional to 325,281.16, 449,091.76 and 209,041.77

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Solution

The fourth proportional to 325,281.16, 449,091.76 and 209,041.77 is: 288,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,281.16 : 449,091.76 = 209,041.77 : x
  2. Step 2: Convert to fraction form
    325,281.16/449,091.76 = 209,041.77/x
  3. Step 3: Cross multiply
    325,281.16x = 449,091.76 × 209,041.77
  4. Step 4: Simplify right side
    325,281.16x = 93,878,936,402.82
  5. Step 5: Solve for x
    x = 93,878,936,402.82/325,281.16
  6. Step 6: Final answer
    x = 288,608.59

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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.