Home / 382,429.45-573,727.56-126,273.28

Finding the Fourth Proportional to 382,429.45, 573,727.56 and 126,273.28

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Solution

The fourth proportional to 382,429.45, 573,727.56 and 126,273.28 is: 189,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,429.45 : 573,727.56 = 126,273.28 : x
  2. Step 2: Convert to fraction form
    382,429.45/573,727.56 = 126,273.28/x
  3. Step 3: Cross multiply
    382,429.45x = 573,727.56 × 126,273.28
  4. Step 4: Simplify right side
    382,429.45x = 72,446,459,995.49
  5. Step 5: Solve for x
    x = 72,446,459,995.49/382,429.45
  6. Step 6: Final answer
    x = 189,437.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.