Home / 210,904.85-291,047.42-114,108.38

Finding the Fourth Proportional to 210,904.85, 291,047.42 and 114,108.38

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Solution

The fourth proportional to 210,904.85, 291,047.42 and 114,108.38 is: 157,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,904.85 : 291,047.42 = 114,108.38 : x
  2. Step 2: Convert to fraction form
    210,904.85/291,047.42 = 114,108.38/x
  3. Step 3: Cross multiply
    210,904.85x = 291,047.42 × 114,108.38
  4. Step 4: Simplify right side
    210,904.85x = 33,210,947,573.60
  5. Step 5: Solve for x
    x = 33,210,947,573.60/210,904.85
  6. Step 6: Final answer
    x = 157,468.87

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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.