Home / 130,195.37-195,366.81-51,364.95

Finding the Fourth Proportional to 130,195.37, 195,366.81 and 51,364.95

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Solution

The fourth proportional to 130,195.37, 195,366.81 and 51,364.95 is: 77,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,195.37 : 195,366.81 = 51,364.95 : x
  2. Step 2: Convert to fraction form
    130,195.37/195,366.81 = 51,364.95/x
  3. Step 3: Cross multiply
    130,195.37x = 195,366.81 × 51,364.95
  4. Step 4: Simplify right side
    130,195.37x = 10,035,006,427.31
  5. Step 5: Solve for x
    x = 10,035,006,427.31/130,195.37
  6. Step 6: Final answer
    x = 77,076.53

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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.