Home / 127,283.26-175,533.52-86,508.46

Finding the Fourth Proportional to 127,283.26, 175,533.52 and 86,508.46

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Solution

The fourth proportional to 127,283.26, 175,533.52 and 86,508.46 is: 119,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,283.26 : 175,533.52 = 86,508.46 : x
  2. Step 2: Convert to fraction form
    127,283.26/175,533.52 = 86,508.46/x
  3. Step 3: Cross multiply
    127,283.26x = 175,533.52 × 86,508.46
  4. Step 4: Simplify right side
    127,283.26x = 15,185,134,493.58
  5. Step 5: Solve for x
    x = 15,185,134,493.58/127,283.26
  6. Step 6: Final answer
    x = 119,301.90

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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.