Home / 208,440.51-312,505.25-97,606.59

Finding the Fourth Proportional to 208,440.51, 312,505.25 and 97,606.59

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Solution

The fourth proportional to 208,440.51, 312,505.25 and 97,606.59 is: 146,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,440.51 : 312,505.25 = 97,606.59 : x
  2. Step 2: Convert to fraction form
    208,440.51/312,505.25 = 97,606.59/x
  3. Step 3: Cross multiply
    208,440.51x = 312,505.25 × 97,606.59
  4. Step 4: Simplify right side
    208,440.51x = 30,502,571,321.56
  5. Step 5: Solve for x
    x = 30,502,571,321.56/208,440.51
  6. Step 6: Final answer
    x = 146,337.06

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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.