Home / 262,534.50-393,822.45-129,342.09

Finding the Fourth Proportional to 262,534.50, 393,822.45 and 129,342.09

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Solution

The fourth proportional to 262,534.50, 393,822.45 and 129,342.09 is: 194,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,534.50 : 393,822.45 = 129,342.09 : x
  2. Step 2: Convert to fraction form
    262,534.50/393,822.45 = 129,342.09/x
  3. Step 3: Cross multiply
    262,534.50x = 393,822.45 × 129,342.09
  4. Step 4: Simplify right side
    262,534.50x = 50,937,818,771.92
  5. Step 5: Solve for x
    x = 50,937,818,771.92/262,534.50
  6. Step 6: Final answer
    x = 194,023.33

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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.