Home / 105,450.04-158,176.84-38,855.88

Finding the Fourth Proportional to 105,450.04, 158,176.84 and 38,855.88

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Solution

The fourth proportional to 105,450.04, 158,176.84 and 38,855.88 is: 58,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.04 : 158,176.84 = 38,855.88 : x
  2. Step 2: Convert to fraction form
    105,450.04/158,176.84 = 38,855.88/x
  3. Step 3: Cross multiply
    105,450.04x = 158,176.84 × 38,855.88
  4. Step 4: Simplify right side
    105,450.04x = 6,146,100,313.82
  5. Step 5: Solve for x
    x = 6,146,100,313.82/105,450.04
  6. Step 6: Final answer
    x = 58,284.48

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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.