Home / 116,268.04-160,490.40-68,518.36

Finding the Fourth Proportional to 116,268.04, 160,490.40 and 68,518.36

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Solution

The fourth proportional to 116,268.04, 160,490.40 and 68,518.36 is: 94,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,268.04 : 160,490.40 = 68,518.36 : x
  2. Step 2: Convert to fraction form
    116,268.04/160,490.40 = 68,518.36/x
  3. Step 3: Cross multiply
    116,268.04x = 160,490.40 × 68,518.36
  4. Step 4: Simplify right side
    116,268.04x = 10,996,538,201.29
  5. Step 5: Solve for x
    x = 10,996,538,201.29/116,268.04
  6. Step 6: Final answer
    x = 94,579.20

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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.