Home / 117,268.11-175,920.84-42,380.66

Finding the Fourth Proportional to 117,268.11, 175,920.84 and 42,380.66

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Solution

The fourth proportional to 117,268.11, 175,920.84 and 42,380.66 is: 63,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,268.11 : 175,920.84 = 42,380.66 : x
  2. Step 2: Convert to fraction form
    117,268.11/175,920.84 = 42,380.66/x
  3. Step 3: Cross multiply
    117,268.11x = 175,920.84 × 42,380.66
  4. Step 4: Simplify right side
    117,268.11x = 7,455,641,746.76
  5. Step 5: Solve for x
    x = 7,455,641,746.76/117,268.11
  6. Step 6: Final answer
    x = 63,577.74

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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.