Home / 127,892.10-192,068.55-92,871.30

Finding the Fourth Proportional to 127,892.10, 192,068.55 and 92,871.30

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Solution

The fourth proportional to 127,892.10, 192,068.55 and 92,871.30 is: 139,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,892.10 : 192,068.55 = 92,871.30 : x
  2. Step 2: Convert to fraction form
    127,892.10/192,068.55 = 92,871.30/x
  3. Step 3: Cross multiply
    127,892.10x = 192,068.55 × 92,871.30
  4. Step 4: Simplify right side
    127,892.10x = 17,837,655,927.62
  5. Step 5: Solve for x
    x = 17,837,655,927.62/127,892.10
  6. Step 6: Final answer
    x = 139,474.26

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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.