Home / 328,354.03-492,558.99-103,654.35

Finding the Fourth Proportional to 328,354.03, 492,558.99 and 103,654.35

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Solution

The fourth proportional to 328,354.03, 492,558.99 and 103,654.35 is: 155,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,354.03 : 492,558.99 = 103,654.35 : x
  2. Step 2: Convert to fraction form
    328,354.03/492,558.99 = 103,654.35/x
  3. Step 3: Cross multiply
    328,354.03x = 492,558.99 × 103,654.35
  4. Step 4: Simplify right side
    328,354.03x = 51,055,881,945.11
  5. Step 5: Solve for x
    x = 51,055,881,945.11/328,354.03
  6. Step 6: Final answer
    x = 155,490.35

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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.