Home / 210,961.45-291,124.34-114,163.06

Finding the Fourth Proportional to 210,961.45, 291,124.34 and 114,163.06

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Solution

The fourth proportional to 210,961.45, 291,124.34 and 114,163.06 is: 157,543.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,961.45 : 291,124.34 = 114,163.06 : x
  2. Step 2: Convert to fraction form
    210,961.45/291,124.34 = 114,163.06/x
  3. Step 3: Cross multiply
    210,961.45x = 291,124.34 × 114,163.06
  4. Step 4: Simplify right side
    210,961.45x = 33,235,645,494.88
  5. Step 5: Solve for x
    x = 33,235,645,494.88/210,961.45
  6. Step 6: Final answer
    x = 157,543.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.