Home / 232,428.33-320,537.79-155,886.03

Finding the Fourth Proportional to 232,428.33, 320,537.79 and 155,886.03

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Solution

The fourth proportional to 232,428.33, 320,537.79 and 155,886.03 is: 214,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,428.33 : 320,537.79 = 155,886.03 : x
  2. Step 2: Convert to fraction form
    232,428.33/320,537.79 = 155,886.03/x
  3. Step 3: Cross multiply
    232,428.33x = 320,537.79 × 155,886.03
  4. Step 4: Simplify right side
    232,428.33x = 49,967,363,548.07
  5. Step 5: Solve for x
    x = 49,967,363,548.07/232,428.33
  6. Step 6: Final answer
    x = 214,979.66

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1.5x scale

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.