Home / 127,052.52-190,596.38-42,836.79

Finding the Fourth Proportional to 127,052.52, 190,596.38 and 42,836.79

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Solution

The fourth proportional to 127,052.52, 190,596.38 and 42,836.79 is: 64,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,052.52 : 190,596.38 = 42,836.79 : x
  2. Step 2: Convert to fraction form
    127,052.52/190,596.38 = 42,836.79/x
  3. Step 3: Cross multiply
    127,052.52x = 190,596.38 × 42,836.79
  4. Step 4: Simplify right side
    127,052.52x = 8,164,536,890.64
  5. Step 5: Solve for x
    x = 8,164,536,890.64/127,052.52
  6. Step 6: Final answer
    x = 64,261.12

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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.