Home / 132,174.87-197,961.34-103,533.01

Finding the Fourth Proportional to 132,174.87, 197,961.34 and 103,533.01

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Solution

The fourth proportional to 132,174.87, 197,961.34 and 103,533.01 is: 155,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,174.87 : 197,961.34 = 103,533.01 : x
  2. Step 2: Convert to fraction form
    132,174.87/197,961.34 = 103,533.01/x
  3. Step 3: Cross multiply
    132,174.87x = 197,961.34 × 103,533.01
  4. Step 4: Simplify right side
    132,174.87x = 20,495,533,393.83
  5. Step 5: Solve for x
    x = 20,495,533,393.83/132,174.87
  6. Step 6: Final answer
    x = 155,063.77

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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.