Home / 131,326.77-181,237.73-80,323.50

Finding the Fourth Proportional to 131,326.77, 181,237.73 and 80,323.50

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Solution

The fourth proportional to 131,326.77, 181,237.73 and 80,323.50 is: 110,850.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,326.77 : 181,237.73 = 80,323.50 : x
  2. Step 2: Convert to fraction form
    131,326.77/181,237.73 = 80,323.50/x
  3. Step 3: Cross multiply
    131,326.77x = 181,237.73 × 80,323.50
  4. Step 4: Simplify right side
    131,326.77x = 14,557,648,805.66
  5. Step 5: Solve for x
    x = 14,557,648,805.66/131,326.77
  6. Step 6: Final answer
    x = 110,850.58

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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.