Home / 127,052.84-190,606.78-38,298.92

Finding the Fourth Proportional to 127,052.84, 190,606.78 and 38,298.92

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Solution

The fourth proportional to 127,052.84, 190,606.78 and 38,298.92 is: 57,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,052.84 : 190,606.78 = 38,298.92 : x
  2. Step 2: Convert to fraction form
    127,052.84/190,606.78 = 38,298.92/x
  3. Step 3: Cross multiply
    127,052.84x = 190,606.78 × 38,298.92
  4. Step 4: Simplify right side
    127,052.84x = 7,300,033,818.68
  5. Step 5: Solve for x
    x = 7,300,033,818.68/127,052.84
  6. Step 6: Final answer
    x = 57,456.68

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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.