Home / 109,744.08-164,444.40-84,845.49

Finding the Fourth Proportional to 109,744.08, 164,444.40 and 84,845.49

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Solution

The fourth proportional to 109,744.08, 164,444.40 and 84,845.49 is: 127,135.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,744.08 : 164,444.40 = 84,845.49 : x
  2. Step 2: Convert to fraction form
    109,744.08/164,444.40 = 84,845.49/x
  3. Step 3: Cross multiply
    109,744.08x = 164,444.40 × 84,845.49
  4. Step 4: Simplify right side
    109,744.08x = 13,952,365,695.76
  5. Step 5: Solve for x
    x = 13,952,365,695.76/109,744.08
  6. Step 6: Final answer
    x = 127,135.47

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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.