Home / 199,746.21-275,578.14-118,057.32

Finding the Fourth Proportional to 199,746.21, 275,578.14 and 118,057.32

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Solution

The fourth proportional to 199,746.21, 275,578.14 and 118,057.32 is: 162,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,746.21 : 275,578.14 = 118,057.32 : x
  2. Step 2: Convert to fraction form
    199,746.21/275,578.14 = 118,057.32/x
  3. Step 3: Cross multiply
    199,746.21x = 275,578.14 × 118,057.32
  4. Step 4: Simplify right side
    199,746.21x = 32,534,015,625.57
  5. Step 5: Solve for x
    x = 32,534,015,625.57/199,746.21
  6. Step 6: Final answer
    x = 162,876.76

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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.