Home / 225,531.64-311,054.07-144,967.42

Finding the Fourth Proportional to 225,531.64, 311,054.07 and 144,967.42

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Solution

The fourth proportional to 225,531.64, 311,054.07 and 144,967.42 is: 199,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,531.64 : 311,054.07 = 144,967.42 : x
  2. Step 2: Convert to fraction form
    225,531.64/311,054.07 = 144,967.42/x
  3. Step 3: Cross multiply
    225,531.64x = 311,054.07 × 144,967.42
  4. Step 4: Simplify right side
    225,531.64x = 45,092,706,008.40
  5. Step 5: Solve for x
    x = 45,092,706,008.40/225,531.64
  6. Step 6: Final answer
    x = 199,939.60

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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.