Home / 109,936.10-164,904.15-43,354.10

Finding the Fourth Proportional to 109,936.10, 164,904.15 and 43,354.10

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Solution

The fourth proportional to 109,936.10, 164,904.15 and 43,354.10 is: 65,031.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.10 : 164,904.15 = 43,354.10 : x
  2. Step 2: Convert to fraction form
    109,936.10/164,904.15 = 43,354.10/x
  3. Step 3: Cross multiply
    109,936.10x = 164,904.15 × 43,354.10
  4. Step 4: Simplify right side
    109,936.10x = 7,149,271,009.52
  5. Step 5: Solve for x
    x = 7,149,271,009.52/109,936.10
  6. Step 6: Final answer
    x = 65,031.15

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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.