Home / 130,533.66-195,865.53-51,704.70

Finding the Fourth Proportional to 130,533.66, 195,865.53 and 51,704.70

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Solution

The fourth proportional to 130,533.66, 195,865.53 and 51,704.70 is: 77,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.66 : 195,865.53 = 51,704.70 : x
  2. Step 2: Convert to fraction form
    130,533.66/195,865.53 = 51,704.70/x
  3. Step 3: Cross multiply
    130,533.66x = 195,865.53 × 51,704.70
  4. Step 4: Simplify right side
    130,533.66x = 10,127,168,468.99
  5. Step 5: Solve for x
    x = 10,127,168,468.99/130,533.66
  6. Step 6: Final answer
    x = 77,582.81

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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.