Home / 127,512.08-175,955.78-73,800.41

Finding the Fourth Proportional to 127,512.08, 175,955.78 and 73,800.41

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Solution

The fourth proportional to 127,512.08, 175,955.78 and 73,800.41 is: 101,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,512.08 : 175,955.78 = 73,800.41 : x
  2. Step 2: Convert to fraction form
    127,512.08/175,955.78 = 73,800.41/x
  3. Step 3: Cross multiply
    127,512.08x = 175,955.78 × 73,800.41
  4. Step 4: Simplify right side
    127,512.08x = 12,985,607,457.09
  5. Step 5: Solve for x
    x = 12,985,607,457.09/127,512.08
  6. Step 6: Final answer
    x = 101,838.26

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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.