Home / 236,428.05-354,638.63-109,997.58

Finding the Fourth Proportional to 236,428.05, 354,638.63 and 109,997.58

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Solution

The fourth proportional to 236,428.05, 354,638.63 and 109,997.58 is: 164,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,428.05 : 354,638.63 = 109,997.58 : x
  2. Step 2: Convert to fraction form
    236,428.05/354,638.63 = 109,997.58/x
  3. Step 3: Cross multiply
    236,428.05x = 354,638.63 × 109,997.58
  4. Step 4: Simplify right side
    236,428.05x = 39,009,390,524.53
  5. Step 5: Solve for x
    x = 39,009,390,524.53/236,428.05
  6. Step 6: Final answer
    x = 164,994.76

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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.