Home / 352,616.80-528,962.10-115,977.93

Finding the Fourth Proportional to 352,616.80, 528,962.10 and 115,977.93

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Solution

The fourth proportional to 352,616.80, 528,962.10 and 115,977.93 is: 173,979.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,616.80 : 528,962.10 = 115,977.93 : x
  2. Step 2: Convert to fraction form
    352,616.80/528,962.10 = 115,977.93/x
  3. Step 3: Cross multiply
    352,616.80x = 528,962.10 × 115,977.93
  4. Step 4: Simplify right side
    352,616.80x = 61,347,929,406.45
  5. Step 5: Solve for x
    x = 61,347,929,406.45/352,616.80
  6. Step 6: Final answer
    x = 173,979.03

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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.