Home / 161,914.35-223,503.30-121,744.74

Finding the Fourth Proportional to 161,914.35, 223,503.30 and 121,744.74

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Solution

The fourth proportional to 161,914.35, 223,503.30 and 121,744.74 is: 168,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,914.35 : 223,503.30 = 121,744.74 : x
  2. Step 2: Convert to fraction form
    161,914.35/223,503.30 = 121,744.74/x
  3. Step 3: Cross multiply
    161,914.35x = 223,503.30 × 121,744.74
  4. Step 4: Simplify right side
    161,914.35x = 27,210,351,147.64
  5. Step 5: Solve for x
    x = 27,210,351,147.64/161,914.35
  6. Step 6: Final answer
    x = 168,053.98

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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.