Home / 135,014.97-186,322.11-74,587.23

Finding the Fourth Proportional to 135,014.97, 186,322.11 and 74,587.23

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Solution

The fourth proportional to 135,014.97, 186,322.11 and 74,587.23 is: 102,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014.97 : 186,322.11 = 74,587.23 : x
  2. Step 2: Convert to fraction form
    135,014.97/186,322.11 = 74,587.23/x
  3. Step 3: Cross multiply
    135,014.97x = 186,322.11 × 74,587.23
  4. Step 4: Simplify right side
    135,014.97x = 13,897,250,072.66
  5. Step 5: Solve for x
    x = 13,897,250,072.66/135,014.97
  6. Step 6: Final answer
    x = 102,931.18

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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.