Home / 210,960.45-291,122.96-114,162.06

Finding the Fourth Proportional to 210,960.45, 291,122.96 and 114,162.06

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Solution

The fourth proportional to 210,960.45, 291,122.96 and 114,162.06 is: 157,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,960.45 : 291,122.96 = 114,162.06 : x
  2. Step 2: Convert to fraction form
    210,960.45/291,122.96 = 114,162.06/x
  3. Step 3: Cross multiply
    210,960.45x = 291,122.96 × 114,162.06
  4. Step 4: Simplify right side
    210,960.45x = 33,235,197,513.98
  5. Step 5: Solve for x
    x = 33,235,197,513.98/210,960.45
  6. Step 6: Final answer
    x = 157,542.32

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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.