Home / 157,505.66-236,236.37-45,195.45

Finding the Fourth Proportional to 157,505.66, 236,236.37 and 45,195.45

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Solution

The fourth proportional to 157,505.66, 236,236.37 and 45,195.45 is: 67,786.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,505.66 : 236,236.37 = 45,195.45 : x
  2. Step 2: Convert to fraction form
    157,505.66/236,236.37 = 45,195.45/x
  3. Step 3: Cross multiply
    157,505.66x = 236,236.37 × 45,195.45
  4. Step 4: Simplify right side
    157,505.66x = 10,676,807,936.65
  5. Step 5: Solve for x
    x = 10,676,807,936.65/157,505.66
  6. Step 6: Final answer
    x = 67,786.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.