Home / 127,287.28-190,955.51-48,395.37

Finding the Fourth Proportional to 127,287.28, 190,955.51 and 48,395.37

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Solution

The fourth proportional to 127,287.28, 190,955.51 and 48,395.37 is: 72,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,287.28 : 190,955.51 = 48,395.37 : x
  2. Step 2: Convert to fraction form
    127,287.28/190,955.51 = 48,395.37/x
  3. Step 3: Cross multiply
    127,287.28x = 190,955.51 × 48,395.37
  4. Step 4: Simplify right side
    127,287.28x = 9,241,363,215.58
  5. Step 5: Solve for x
    x = 9,241,363,215.58/127,287.28
  6. Step 6: Final answer
    x = 72,602.41

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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.