Home / 131,348.63-197,004.48-42,602.90

Finding the Fourth Proportional to 131,348.63, 197,004.48 and 42,602.90

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Solution

The fourth proportional to 131,348.63, 197,004.48 and 42,602.90 is: 63,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,348.63 : 197,004.48 = 42,602.90 : x
  2. Step 2: Convert to fraction form
    131,348.63/197,004.48 = 42,602.90/x
  3. Step 3: Cross multiply
    131,348.63x = 197,004.48 × 42,602.90
  4. Step 4: Simplify right side
    131,348.63x = 8,392,961,175.97
  5. Step 5: Solve for x
    x = 8,392,961,175.97/131,348.63
  6. Step 6: Final answer
    x = 63,898.36

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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.