Home / 127,350.63-175,736.39-73,631.84

Finding the Fourth Proportional to 127,350.63, 175,736.39 and 73,631.84

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Solution

The fourth proportional to 127,350.63, 175,736.39 and 73,631.84 is: 101,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,350.63 : 175,736.39 = 73,631.84 : x
  2. Step 2: Convert to fraction form
    127,350.63/175,736.39 = 73,631.84/x
  3. Step 3: Cross multiply
    127,350.63x = 175,736.39 × 73,631.84
  4. Step 4: Simplify right side
    127,350.63x = 12,939,792,503.82
  5. Step 5: Solve for x
    x = 12,939,792,503.82/127,350.63
  6. Step 6: Final answer
    x = 101,607.60

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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.