Home / 127,620.02-176,154.36-73,918.22

Finding the Fourth Proportional to 127,620.02, 176,154.36 and 73,918.22

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Solution

The fourth proportional to 127,620.02, 176,154.36 and 73,918.22 is: 102,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,620.02 : 176,154.36 = 73,918.22 : x
  2. Step 2: Convert to fraction form
    127,620.02/176,154.36 = 73,918.22/x
  3. Step 3: Cross multiply
    127,620.02x = 176,154.36 × 73,918.22
  4. Step 4: Simplify right side
    127,620.02x = 13,021,016,736.44
  5. Step 5: Solve for x
    x = 13,021,016,736.44/127,620.02
  6. Step 6: Final answer
    x = 102,029.58

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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.