Home / 130,917.66-196,320.56-49,811.54

Finding the Fourth Proportional to 130,917.66, 196,320.56 and 49,811.54

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Solution

The fourth proportional to 130,917.66, 196,320.56 and 49,811.54 is: 74,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,917.66 : 196,320.56 = 49,811.54 : x
  2. Step 2: Convert to fraction form
    130,917.66/196,320.56 = 49,811.54/x
  3. Step 3: Cross multiply
    130,917.66x = 196,320.56 × 49,811.54
  4. Step 4: Simplify right side
    130,917.66x = 9,779,029,427.26
  5. Step 5: Solve for x
    x = 9,779,029,427.26/130,917.66
  6. Step 6: Final answer
    x = 74,696.03

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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.