Home / 117,167.06-161,693.49-71,870.02

Finding the Fourth Proportional to 117,167.06, 161,693.49 and 71,870.02

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Solution

The fourth proportional to 117,167.06, 161,693.49 and 71,870.02 is: 99,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,167.06 : 161,693.49 = 71,870.02 : x
  2. Step 2: Convert to fraction form
    117,167.06/161,693.49 = 71,870.02/x
  3. Step 3: Cross multiply
    117,167.06x = 161,693.49 × 71,870.02
  4. Step 4: Simplify right side
    117,167.06x = 11,620,914,705.46
  5. Step 5: Solve for x
    x = 11,620,914,705.46/117,167.06
  6. Step 6: Final answer
    x = 99,182.44

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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.