Home / 109,065.65-163,602.11-30,173.27

Finding the Fourth Proportional to 109,065.65, 163,602.11 and 30,173.27

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Solution

The fourth proportional to 109,065.65, 163,602.11 and 30,173.27 is: 45,260.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,065.65 : 163,602.11 = 30,173.27 : x
  2. Step 2: Convert to fraction form
    109,065.65/163,602.11 = 30,173.27/x
  3. Step 3: Cross multiply
    109,065.65x = 163,602.11 × 30,173.27
  4. Step 4: Simplify right side
    109,065.65x = 4,936,410,637.60
  5. Step 5: Solve for x
    x = 4,936,410,637.60/109,065.65
  6. Step 6: Final answer
    x = 45,260.91

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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.