Home / 105,776.08-158,664.50-26,890.30

Finding the Fourth Proportional to 105,776.08, 158,664.50 and 26,890.30

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Solution

The fourth proportional to 105,776.08, 158,664.50 and 26,890.30 is: 40,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,776.08 : 158,664.50 = 26,890.30 : x
  2. Step 2: Convert to fraction form
    105,776.08/158,664.50 = 26,890.30/x
  3. Step 3: Cross multiply
    105,776.08x = 158,664.50 × 26,890.30
  4. Step 4: Simplify right side
    105,776.08x = 4,266,536,539.68
  5. Step 5: Solve for x
    x = 4,266,536,539.68/105,776.08
  6. Step 6: Final answer
    x = 40,335.55

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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.