Home / 130,810.60-196,162.14-51,913.96

Finding the Fourth Proportional to 130,810.60, 196,162.14 and 51,913.96

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Solution

The fourth proportional to 130,810.60, 196,162.14 and 51,913.96 is: 77,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,810.60 : 196,162.14 = 51,913.96 : x
  2. Step 2: Convert to fraction form
    130,810.60/196,162.14 = 51,913.96/x
  3. Step 3: Cross multiply
    130,810.60x = 196,162.14 × 51,913.96
  4. Step 4: Simplify right side
    130,810.60x = 10,183,553,489.47
  5. Step 5: Solve for x
    x = 10,183,553,489.47/130,810.60
  6. Step 6: Final answer
    x = 77,849.60

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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.