Home / 127,180.44-175,509.10-76,222.76

Finding the Fourth Proportional to 127,180.44, 175,509.10 and 76,222.76

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Solution

The fourth proportional to 127,180.44, 175,509.10 and 76,222.76 is: 105,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,180.44 : 175,509.10 = 76,222.76 : x
  2. Step 2: Convert to fraction form
    127,180.44/175,509.10 = 76,222.76/x
  3. Step 3: Cross multiply
    127,180.44x = 175,509.10 × 76,222.76
  4. Step 4: Simplify right side
    127,180.44x = 13,377,788,007.12
  5. Step 5: Solve for x
    x = 13,377,788,007.12/127,180.44
  6. Step 6: Final answer
    x = 105,187.46

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1.5x scale

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.