Home / 328,131.42-492,199.54-117,771.18

Finding the Fourth Proportional to 328,131.42, 492,199.54 and 117,771.18

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Solution

The fourth proportional to 328,131.42, 492,199.54 and 117,771.18 is: 176,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,131.42 : 492,199.54 = 117,771.18 : x
  2. Step 2: Convert to fraction form
    328,131.42/492,199.54 = 117,771.18/x
  3. Step 3: Cross multiply
    328,131.42x = 492,199.54 × 117,771.18
  4. Step 4: Simplify right side
    328,131.42x = 57,966,920,621.26
  5. Step 5: Solve for x
    x = 57,966,920,621.26/328,131.42
  6. Step 6: Final answer
    x = 176,657.63

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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.