Home / 262,110.80-393,166.20-84,623.60

Finding the Fourth Proportional to 262,110.80, 393,166.20 and 84,623.60

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Solution

The fourth proportional to 262,110.80, 393,166.20 and 84,623.60 is: 126,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,110.80 : 393,166.20 = 84,623.60 : x
  2. Step 2: Convert to fraction form
    262,110.80/393,166.20 = 84,623.60/x
  3. Step 3: Cross multiply
    262,110.80x = 393,166.20 × 84,623.60
  4. Step 4: Simplify right side
    262,110.80x = 33,271,139,242.32
  5. Step 5: Solve for x
    x = 33,271,139,242.32/262,110.80
  6. Step 6: Final answer
    x = 126,935.40

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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.