Home / 162,200.89-243,301.33-83,271.25

Finding the Fourth Proportional to 162,200.89, 243,301.33 and 83,271.25

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Solution

The fourth proportional to 162,200.89, 243,301.33 and 83,271.25 is: 124,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,200.89 : 243,301.33 = 83,271.25 : x
  2. Step 2: Convert to fraction form
    162,200.89/243,301.33 = 83,271.25/x
  3. Step 3: Cross multiply
    162,200.89x = 243,301.33 × 83,271.25
  4. Step 4: Simplify right side
    162,200.89x = 20,260,004,451.08
  5. Step 5: Solve for x
    x = 20,260,004,451.08/162,200.89
  6. Step 6: Final answer
    x = 124,906.87

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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.