Home / 109,966.08-164,736.84-65,628.30

Finding the Fourth Proportional to 109,966.08, 164,736.84 and 65,628.30

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Solution

The fourth proportional to 109,966.08, 164,736.84 and 65,628.30 is: 98,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,966.08 : 164,736.84 = 65,628.30 : x
  2. Step 2: Convert to fraction form
    109,966.08/164,736.84 = 65,628.30/x
  3. Step 3: Cross multiply
    109,966.08x = 164,736.84 × 65,628.30
  4. Step 4: Simplify right side
    109,966.08x = 10,811,398,756.57
  5. Step 5: Solve for x
    x = 10,811,398,756.57/109,966.08
  6. Step 6: Final answer
    x = 98,315.76

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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.