Home / 135,322.03-186,737.97-74,066.86

Finding the Fourth Proportional to 135,322.03, 186,737.97 and 74,066.86

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Solution

The fourth proportional to 135,322.03, 186,737.97 and 74,066.86 is: 102,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,322.03 : 186,737.97 = 74,066.86 : x
  2. Step 2: Convert to fraction form
    135,322.03/186,737.97 = 74,066.86/x
  3. Step 3: Cross multiply
    135,322.03x = 186,737.97 × 74,066.86
  4. Step 4: Simplify right side
    135,322.03x = 13,831,095,080.67
  5. Step 5: Solve for x
    x = 13,831,095,080.67/135,322.03
  6. Step 6: Final answer
    x = 102,208.75

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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.