Home / 426,426.92-639,523.58-160,166.84

Finding the Fourth Proportional to 426,426.92, 639,523.58 and 160,166.84

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Solution

The fourth proportional to 426,426.92, 639,523.58 and 160,166.84 is: 240,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,426.92 : 639,523.58 = 160,166.84 : x
  2. Step 2: Convert to fraction form
    426,426.92/639,523.58 = 160,166.84/x
  3. Step 3: Cross multiply
    426,426.92x = 639,523.58 × 160,166.84
  4. Step 4: Simplify right side
    426,426.92x = 102,430,470,914.09
  5. Step 5: Solve for x
    x = 102,430,470,914.09/426,426.92
  6. Step 6: Final answer
    x = 240,206.39

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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.