Home / 210,945.46-291,105.50-114,149.30

Finding the Fourth Proportional to 210,945.46, 291,105.50 and 114,149.30

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Solution

The fourth proportional to 210,945.46, 291,105.50 and 114,149.30 is: 157,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,945.46 : 291,105.50 = 114,149.30 : x
  2. Step 2: Convert to fraction form
    210,945.46/291,105.50 = 114,149.30/x
  3. Step 3: Cross multiply
    210,945.46x = 291,105.50 × 114,149.30
  4. Step 4: Simplify right side
    210,945.46x = 33,229,489,051.15
  5. Step 5: Solve for x
    x = 33,229,489,051.15/210,945.46
  6. Step 6: Final answer
    x = 157,526.45

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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.