Home / 259,526.40-389,581.20-200,623.20

Finding the Fourth Proportional to 259,526.40, 389,581.20 and 200,623.20

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Solution

The fourth proportional to 259,526.40, 389,581.20 and 200,623.20 is: 301,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,526.40 : 389,581.20 = 200,623.20 : x
  2. Step 2: Convert to fraction form
    259,526.40/389,581.20 = 200,623.20/x
  3. Step 3: Cross multiply
    259,526.40x = 389,581.20 × 200,623.20
  4. Step 4: Simplify right side
    259,526.40x = 78,159,027,003.84
  5. Step 5: Solve for x
    x = 78,159,027,003.84/259,526.40
  6. Step 6: Final answer
    x = 301,160.22

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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.