Home / 134,852.08-186,112.44-81,165.04

Finding the Fourth Proportional to 134,852.08, 186,112.44 and 81,165.04

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Solution

The fourth proportional to 134,852.08, 186,112.44 and 81,165.04 is: 112,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,852.08 : 186,112.44 = 81,165.04 : x
  2. Step 2: Convert to fraction form
    134,852.08/186,112.44 = 81,165.04/x
  3. Step 3: Cross multiply
    134,852.08x = 186,112.44 × 81,165.04
  4. Step 4: Simplify right side
    134,852.08x = 15,105,823,637.10
  5. Step 5: Solve for x
    x = 15,105,823,637.10/134,852.08
  6. Step 6: Final answer
    x = 112,017.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.