Home / 328,320.24-492,568.08-117,960

Finding the Fourth Proportional to 328,320.24, 492,568.08 and 117,960

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Solution

The fourth proportional to 328,320.24, 492,568.08 and 117,960 is: 176,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,320.24 : 492,568.08 = 117,960 : x
  2. Step 2: Convert to fraction form
    328,320.24/492,568.08 = 117,960/x
  3. Step 3: Cross multiply
    328,320.24x = 492,568.08 × 117,960
  4. Step 4: Simplify right side
    328,320.24x = 58,103,330,716.80
  5. Step 5: Solve for x
    x = 58,103,330,716.80/328,320.24
  6. Step 6: Final answer
    x = 176,971.52

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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.