Home / 127,998.41-176,642.05-69,858.32

Finding the Fourth Proportional to 127,998.41, 176,642.05 and 69,858.32

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Solution

The fourth proportional to 127,998.41, 176,642.05 and 69,858.32 is: 96,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,998.41 : 176,642.05 = 69,858.32 : x
  2. Step 2: Convert to fraction form
    127,998.41/176,642.05 = 69,858.32/x
  3. Step 3: Cross multiply
    127,998.41x = 176,642.05 × 69,858.32
  4. Step 4: Simplify right side
    127,998.41x = 12,339,917,383.28
  5. Step 5: Solve for x
    x = 12,339,917,383.28/127,998.41
  6. Step 6: Final answer
    x = 96,406.80

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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.