Home / 121,826.60-182,837.34-117,938.60

Finding the Fourth Proportional to 121,826.60, 182,837.34 and 117,938.60

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Solution

The fourth proportional to 121,826.60, 182,837.34 and 117,938.60 is: 177,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,826.60 : 182,837.34 = 117,938.60 : x
  2. Step 2: Convert to fraction form
    121,826.60/182,837.34 = 117,938.60/x
  3. Step 3: Cross multiply
    121,826.60x = 182,837.34 × 117,938.60
  4. Step 4: Simplify right side
    121,826.60x = 21,563,579,907.32
  5. Step 5: Solve for x
    x = 21,563,579,907.32/121,826.60
  6. Step 6: Final answer
    x = 177,002.23

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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.