Home / 262,003.08-393,087.63-93,519.66

Finding the Fourth Proportional to 262,003.08, 393,087.63 and 93,519.66

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Solution

The fourth proportional to 262,003.08, 393,087.63 and 93,519.66 is: 140,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,003.08 : 393,087.63 = 93,519.66 : x
  2. Step 2: Convert to fraction form
    262,003.08/393,087.63 = 93,519.66/x
  3. Step 3: Cross multiply
    262,003.08x = 393,087.63 × 93,519.66
  4. Step 4: Simplify right side
    262,003.08x = 36,761,421,507.81
  5. Step 5: Solve for x
    x = 36,761,421,507.81/262,003.08
  6. Step 6: Final answer
    x = 140,309.12

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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.