Home / 165,321.08-247,981.66-76,526.04

Finding the Fourth Proportional to 165,321.08, 247,981.66 and 76,526.04

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Solution

The fourth proportional to 165,321.08, 247,981.66 and 76,526.04 is: 114,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,321.08 : 247,981.66 = 76,526.04 : x
  2. Step 2: Convert to fraction form
    165,321.08/247,981.66 = 76,526.04/x
  3. Step 3: Cross multiply
    165,321.08x = 247,981.66 × 76,526.04
  4. Step 4: Simplify right side
    165,321.08x = 18,977,054,432.43
  5. Step 5: Solve for x
    x = 18,977,054,432.43/165,321.08
  6. Step 6: Final answer
    x = 114,789.08

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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.