Home / 352,620.80-528,968.10-115,981.93

Finding the Fourth Proportional to 352,620.80, 528,968.10 and 115,981.93

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Solution

The fourth proportional to 352,620.80, 528,968.10 and 115,981.93 is: 173,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,620.80 : 528,968.10 = 115,981.93 : x
  2. Step 2: Convert to fraction form
    352,620.80/528,968.10 = 115,981.93/x
  3. Step 3: Cross multiply
    352,620.80x = 528,968.10 × 115,981.93
  4. Step 4: Simplify right side
    352,620.80x = 61,350,741,146.43
  5. Step 5: Solve for x
    x = 61,350,741,146.43/352,620.80
  6. Step 6: Final answer
    x = 173,985.03

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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.