Home / 127,644.91-176,148.47-70,283.03

Finding the Fourth Proportional to 127,644.91, 176,148.47 and 70,283.03

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Solution

The fourth proportional to 127,644.91, 176,148.47 and 70,283.03 is: 96,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,644.91 : 176,148.47 = 70,283.03 : x
  2. Step 2: Convert to fraction form
    127,644.91/176,148.47 = 70,283.03/x
  3. Step 3: Cross multiply
    127,644.91x = 176,148.47 × 70,283.03
  4. Step 4: Simplify right side
    127,644.91x = 12,380,247,496.43
  5. Step 5: Solve for x
    x = 12,380,247,496.43/127,644.91
  6. Step 6: Final answer
    x = 96,989.75

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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.