Home / 127,977.30-191,688.93-92,839.50

Finding the Fourth Proportional to 127,977.30, 191,688.93 and 92,839.50

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Solution

The fourth proportional to 127,977.30, 191,688.93 and 92,839.50 is: 139,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,977.30 : 191,688.93 = 92,839.50 : x
  2. Step 2: Convert to fraction form
    127,977.30/191,688.93 = 92,839.50/x
  3. Step 3: Cross multiply
    127,977.30x = 191,688.93 × 92,839.50
  4. Step 4: Simplify right side
    127,977.30x = 17,796,304,416.74
  5. Step 5: Solve for x
    x = 17,796,304,416.74/127,977.30
  6. Step 6: Final answer
    x = 139,058.29

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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.