Home / 219,909.81-303,476.85-124,436.46

Finding the Fourth Proportional to 219,909.81, 303,476.85 and 124,436.46

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Solution

The fourth proportional to 219,909.81, 303,476.85 and 124,436.46 is: 171,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,909.81 : 303,476.85 = 124,436.46 : x
  2. Step 2: Convert to fraction form
    219,909.81/303,476.85 = 124,436.46/x
  3. Step 3: Cross multiply
    219,909.81x = 303,476.85 × 124,436.46
  4. Step 4: Simplify right side
    219,909.81x = 37,763,584,905.95
  5. Step 5: Solve for x
    x = 37,763,584,905.95/219,909.81
  6. Step 6: Final answer
    x = 171,723.06

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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.