Home / 438,053.49-656,828.73-171,501.93

Finding the Fourth Proportional to 438,053.49, 656,828.73 and 171,501.93

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Solution

The fourth proportional to 438,053.49, 656,828.73 and 171,501.93 is: 257,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,053.49 : 656,828.73 = 171,501.93 : x
  2. Step 2: Convert to fraction form
    438,053.49/656,828.73 = 171,501.93/x
  3. Step 3: Cross multiply
    438,053.49x = 656,828.73 × 171,501.93
  4. Step 4: Simplify right side
    438,053.49x = 112,647,394,874.45
  5. Step 5: Solve for x
    x = 112,647,394,874.45/438,053.49
  6. Step 6: Final answer
    x = 257,154.43

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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.