Home / 345,551.13-518,397.12-195,858.27

Finding the Fourth Proportional to 345,551.13, 518,397.12 and 195,858.27

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Solution

The fourth proportional to 345,551.13, 518,397.12 and 195,858.27 is: 293,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,551.13 : 518,397.12 = 195,858.27 : x
  2. Step 2: Convert to fraction form
    345,551.13/518,397.12 = 195,858.27/x
  3. Step 3: Cross multiply
    345,551.13x = 518,397.12 × 195,858.27
  4. Step 4: Simplify right side
    345,551.13x = 101,532,363,096.18
  5. Step 5: Solve for x
    x = 101,532,363,096.18/345,551.13
  6. Step 6: Final answer
    x = 293,827.32

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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.