Home / 417,237.48-625,905.09-132,828.42

Finding the Fourth Proportional to 417,237.48, 625,905.09 and 132,828.42

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Solution

The fourth proportional to 417,237.48, 625,905.09 and 132,828.42 is: 199,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,237.48 : 625,905.09 = 132,828.42 : x
  2. Step 2: Convert to fraction form
    417,237.48/625,905.09 = 132,828.42/x
  3. Step 3: Cross multiply
    417,237.48x = 625,905.09 × 132,828.42
  4. Step 4: Simplify right side
    417,237.48x = 83,137,984,174.66
  5. Step 5: Solve for x
    x = 83,137,984,174.66/417,237.48
  6. Step 6: Final answer
    x = 199,258.19

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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.