Home / 655,157.13-982,741.16-205,868.04

Finding the Fourth Proportional to 655,157.13, 982,741.16 and 205,868.04

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Solution

The fourth proportional to 655,157.13, 982,741.16 and 205,868.04 is: 308,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,157.13 : 982,741.16 = 205,868.04 : x
  2. Step 2: Convert to fraction form
    655,157.13/982,741.16 = 205,868.04/x
  3. Step 3: Cross multiply
    655,157.13x = 982,741.16 × 205,868.04
  4. Step 4: Simplify right side
    655,157.13x = 202,314,995,407.19
  5. Step 5: Solve for x
    x = 202,314,995,407.19/655,157.13
  6. Step 6: Final answer
    x = 308,803.78

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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.