Home / 127,918.44-176,315.94-85,461.48

Finding the Fourth Proportional to 127,918.44, 176,315.94 and 85,461.48

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Solution

The fourth proportional to 127,918.44, 176,315.94 and 85,461.48 is: 117,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,918.44 : 176,315.94 = 85,461.48 : x
  2. Step 2: Convert to fraction form
    127,918.44/176,315.94 = 85,461.48/x
  3. Step 3: Cross multiply
    127,918.44x = 176,315.94 × 85,461.48
  4. Step 4: Simplify right side
    127,918.44x = 15,068,221,179.99
  5. Step 5: Solve for x
    x = 15,068,221,179.99/127,918.44
  6. Step 6: Final answer
    x = 117,795.54

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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.