Home / 127,276.87-175,631.79-73,565.36

Finding the Fourth Proportional to 127,276.87, 175,631.79 and 73,565.36

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Solution

The fourth proportional to 127,276.87, 175,631.79 and 73,565.36 is: 101,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,276.87 : 175,631.79 = 73,565.36 : x
  2. Step 2: Convert to fraction form
    127,276.87/175,631.79 = 73,565.36/x
  3. Step 3: Cross multiply
    127,276.87x = 175,631.79 × 73,565.36
  4. Step 4: Simplify right side
    127,276.87x = 12,920,415,858.79
  5. Step 5: Solve for x
    x = 12,920,415,858.79/127,276.87
  6. Step 6: Final answer
    x = 101,514.25

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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.