Home / 130,007.10-194,913.45-55,065.90

Finding the Fourth Proportional to 130,007.10, 194,913.45 and 55,065.90

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Solution

The fourth proportional to 130,007.10, 194,913.45 and 55,065.90 is: 82,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.10 : 194,913.45 = 55,065.90 : x
  2. Step 2: Convert to fraction form
    130,007.10/194,913.45 = 55,065.90/x
  3. Step 3: Cross multiply
    130,007.10x = 194,913.45 × 55,065.90
  4. Step 4: Simplify right side
    130,007.10x = 10,733,084,546.36
  5. Step 5: Solve for x
    x = 10,733,084,546.36/130,007.10
  6. Step 6: Final answer
    x = 82,557.68

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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.