Home / 646,133.68-969,200.29-172,806.75

Finding the Fourth Proportional to 646,133.68, 969,200.29 and 172,806.75

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Solution

The fourth proportional to 646,133.68, 969,200.29 and 172,806.75 is: 259,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,133.68 : 969,200.29 = 172,806.75 : x
  2. Step 2: Convert to fraction form
    646,133.68/969,200.29 = 172,806.75/x
  3. Step 3: Cross multiply
    646,133.68x = 969,200.29 × 172,806.75
  4. Step 4: Simplify right side
    646,133.68x = 167,484,352,213.96
  5. Step 5: Solve for x
    x = 167,484,352,213.96/646,133.68
  6. Step 6: Final answer
    x = 259,210.06

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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.