Home / 130,762.62-196,114.77-51,855.66

Finding the Fourth Proportional to 130,762.62, 196,114.77 and 51,855.66

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Solution

The fourth proportional to 130,762.62, 196,114.77 and 51,855.66 is: 77,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762.62 : 196,114.77 = 51,855.66 : x
  2. Step 2: Convert to fraction form
    130,762.62/196,114.77 = 51,855.66/x
  3. Step 3: Cross multiply
    130,762.62x = 196,114.77 × 51,855.66
  4. Step 4: Simplify right side
    130,762.62x = 10,169,660,834.10
  5. Step 5: Solve for x
    x = 10,169,660,834.10/130,762.62
  6. Step 6: Final answer
    x = 77,771.93

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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.