Home / 130,983.72-196,513.92-42,235.44

Finding the Fourth Proportional to 130,983.72, 196,513.92 and 42,235.44

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Solution

The fourth proportional to 130,983.72, 196,513.92 and 42,235.44 is: 63,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,983.72 : 196,513.92 = 42,235.44 : x
  2. Step 2: Convert to fraction form
    130,983.72/196,513.92 = 42,235.44/x
  3. Step 3: Cross multiply
    130,983.72x = 196,513.92 × 42,235.44
  4. Step 4: Simplify right side
    130,983.72x = 8,299,851,877.32
  5. Step 5: Solve for x
    x = 8,299,851,877.32/130,983.72
  6. Step 6: Final answer
    x = 63,365.52

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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.