Home / 109,942.90-164,914.35-96,810.10

Finding the Fourth Proportional to 109,942.90, 164,914.35 and 96,810.10

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Solution

The fourth proportional to 109,942.90, 164,914.35 and 96,810.10 is: 145,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.90 : 164,914.35 = 96,810.10 : x
  2. Step 2: Convert to fraction form
    109,942.90/164,914.35 = 96,810.10/x
  3. Step 3: Cross multiply
    109,942.90x = 164,914.35 × 96,810.10
  4. Step 4: Simplify right side
    109,942.90x = 15,965,374,714.94
  5. Step 5: Solve for x
    x = 15,965,374,714.94/109,942.90
  6. Step 6: Final answer
    x = 145,215.15

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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.