Home / 127,207.27-175,528.65-76,208.59

Finding the Fourth Proportional to 127,207.27, 175,528.65 and 76,208.59

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Solution

The fourth proportional to 127,207.27, 175,528.65 and 76,208.59 is: 105,157.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207.27 : 175,528.65 = 76,208.59 : x
  2. Step 2: Convert to fraction form
    127,207.27/175,528.65 = 76,208.59/x
  3. Step 3: Cross multiply
    127,207.27x = 175,528.65 × 76,208.59
  4. Step 4: Simplify right side
    127,207.27x = 13,376,790,921.10
  5. Step 5: Solve for x
    x = 13,376,790,921.10/127,207.27
  6. Step 6: Final answer
    x = 105,157.44

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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.