Home / 136,463.36-188,316.60-76,033.76

Finding the Fourth Proportional to 136,463.36, 188,316.60 and 76,033.76

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Solution

The fourth proportional to 136,463.36, 188,316.60 and 76,033.76 is: 104,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,463.36 : 188,316.60 = 76,033.76 : x
  2. Step 2: Convert to fraction form
    136,463.36/188,316.60 = 76,033.76/x
  3. Step 3: Cross multiply
    136,463.36x = 188,316.60 × 76,033.76
  4. Step 4: Simplify right side
    136,463.36x = 14,318,419,168.42
  5. Step 5: Solve for x
    x = 14,318,419,168.42/136,463.36
  6. Step 6: Final answer
    x = 104,925.01

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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.