Home / 130,904.92-196,368.66-36,135.12

Finding the Fourth Proportional to 130,904.92, 196,368.66 and 36,135.12

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Solution

The fourth proportional to 130,904.92, 196,368.66 and 36,135.12 is: 54,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,904.92 : 196,368.66 = 36,135.12 : x
  2. Step 2: Convert to fraction form
    130,904.92/196,368.66 = 36,135.12/x
  3. Step 3: Cross multiply
    130,904.92x = 196,368.66 × 36,135.12
  4. Step 4: Simplify right side
    130,904.92x = 7,095,805,093.34
  5. Step 5: Solve for x
    x = 7,095,805,093.34/130,904.92
  6. Step 6: Final answer
    x = 54,205.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.