Home / 223,307.20-308,160.44-122,703.04

Finding the Fourth Proportional to 223,307.20, 308,160.44 and 122,703.04

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Solution

The fourth proportional to 223,307.20, 308,160.44 and 122,703.04 is: 169,328.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,307.20 : 308,160.44 = 122,703.04 : x
  2. Step 2: Convert to fraction form
    223,307.20/308,160.44 = 122,703.04/x
  3. Step 3: Cross multiply
    223,307.20x = 308,160.44 × 122,703.04
  4. Step 4: Simplify right side
    223,307.20x = 37,812,222,795.74
  5. Step 5: Solve for x
    x = 37,812,222,795.74/223,307.20
  6. Step 6: Final answer
    x = 169,328.27

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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.