Home / 345,023.10-517,558.95-195,335.10

Finding the Fourth Proportional to 345,023.10, 517,558.95 and 195,335.10

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Solution

The fourth proportional to 345,023.10, 517,558.95 and 195,335.10 is: 293,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,023.10 : 517,558.95 = 195,335.10 : x
  2. Step 2: Convert to fraction form
    345,023.10/517,558.95 = 195,335.10/x
  3. Step 3: Cross multiply
    345,023.10x = 517,558.95 × 195,335.10
  4. Step 4: Simplify right side
    345,023.10x = 101,097,429,254.15
  5. Step 5: Solve for x
    x = 101,097,429,254.15/345,023.10
  6. Step 6: Final answer
    x = 293,016.41

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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.