Home / 328,360.03-492,567.99-103,660.35

Finding the Fourth Proportional to 328,360.03, 492,567.99 and 103,660.35

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Solution

The fourth proportional to 328,360.03, 492,567.99 and 103,660.35 is: 155,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,360.03 : 492,567.99 = 103,660.35 : x
  2. Step 2: Convert to fraction form
    328,360.03/492,567.99 = 103,660.35/x
  3. Step 3: Cross multiply
    328,360.03x = 492,567.99 × 103,660.35
  4. Step 4: Simplify right side
    328,360.03x = 51,059,770,242.20
  5. Step 5: Solve for x
    x = 51,059,770,242.20/328,360.03
  6. Step 6: Final answer
    x = 155,499.35

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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.