Home / 222,465.08-307,006.76-126,969.84

Finding the Fourth Proportional to 222,465.08, 307,006.76 and 126,969.84

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Solution

The fourth proportional to 222,465.08, 307,006.76 and 126,969.84 is: 175,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,465.08 : 307,006.76 = 126,969.84 : x
  2. Step 2: Convert to fraction form
    222,465.08/307,006.76 = 126,969.84/x
  3. Step 3: Cross multiply
    222,465.08x = 307,006.76 × 126,969.84
  4. Step 4: Simplify right side
    222,465.08x = 38,980,599,196.12
  5. Step 5: Solve for x
    x = 38,980,599,196.12/222,465.08
  6. Step 6: Final answer
    x = 175,221.20

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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.