Home / 328,269.48-492,219.53-103,588.04

Finding the Fourth Proportional to 328,269.48, 492,219.53 and 103,588.04

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Solution

The fourth proportional to 328,269.48, 492,219.53 and 103,588.04 is: 155,323.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,269.48 : 492,219.53 = 103,588.04 : x
  2. Step 2: Convert to fraction form
    328,269.48/492,219.53 = 103,588.04/x
  3. Step 3: Cross multiply
    328,269.48x = 492,219.53 × 103,588.04
  4. Step 4: Simplify right side
    328,269.48x = 50,988,053,383.38
  5. Step 5: Solve for x
    x = 50,988,053,383.38/328,269.48
  6. Step 6: Final answer
    x = 155,323.77

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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.