Home / 236,428.23-354,638.91-109,997.76

Finding the Fourth Proportional to 236,428.23, 354,638.91 and 109,997.76

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Solution

The fourth proportional to 236,428.23, 354,638.91 and 109,997.76 is: 164,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,428.23 : 354,638.91 = 109,997.76 : x
  2. Step 2: Convert to fraction form
    236,428.23/354,638.91 = 109,997.76/x
  3. Step 3: Cross multiply
    236,428.23x = 354,638.91 × 109,997.76
  4. Step 4: Simplify right side
    236,428.23x = 39,009,486,832.49
  5. Step 5: Solve for x
    x = 39,009,486,832.49/236,428.23
  6. Step 6: Final answer
    x = 164,995.04

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1.5x scale

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.