Home / 109,328.10-164,065.05-50,133.30

Finding the Fourth Proportional to 109,328.10, 164,065.05 and 50,133.30

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Solution

The fourth proportional to 109,328.10, 164,065.05 and 50,133.30 is: 75,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,328.10 : 164,065.05 = 50,133.30 : x
  2. Step 2: Convert to fraction form
    109,328.10/164,065.05 = 50,133.30/x
  3. Step 3: Cross multiply
    109,328.10x = 164,065.05 × 50,133.30
  4. Step 4: Simplify right side
    109,328.10x = 8,225,122,371.17
  5. Step 5: Solve for x
    x = 8,225,122,371.17/109,328.10
  6. Step 6: Final answer
    x = 75,233.38

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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.