Home / 167,380.08-250,856.64-78,437.40

Finding the Fourth Proportional to 167,380.08, 250,856.64 and 78,437.40

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Solution

The fourth proportional to 167,380.08, 250,856.64 and 78,437.40 is: 117,556.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,380.08 : 250,856.64 = 78,437.40 : x
  2. Step 2: Convert to fraction form
    167,380.08/250,856.64 = 78,437.40/x
  3. Step 3: Cross multiply
    167,380.08x = 250,856.64 × 78,437.40
  4. Step 4: Simplify right side
    167,380.08x = 19,676,542,614.34
  5. Step 5: Solve for x
    x = 19,676,542,614.34/167,380.08
  6. Step 6: Final answer
    x = 117,556.06

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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.