Home / 223,184.56-308,114.63-172,085.30

Finding the Fourth Proportional to 223,184.56, 308,114.63 and 172,085.30

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Solution

The fourth proportional to 223,184.56, 308,114.63 and 172,085.30 is: 237,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,184.56 : 308,114.63 = 172,085.30 : x
  2. Step 2: Convert to fraction form
    223,184.56/308,114.63 = 172,085.30/x
  3. Step 3: Cross multiply
    223,184.56x = 308,114.63 × 172,085.30
  4. Step 4: Simplify right side
    223,184.56x = 53,021,999,738.44
  5. Step 5: Solve for x
    x = 53,021,999,738.44/223,184.56
  6. Step 6: Final answer
    x = 237,570.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.