Home / 144,010.48-198,744.02-80,349.66

Finding the Fourth Proportional to 144,010.48, 198,744.02 and 80,349.66

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Solution

The fourth proportional to 144,010.48, 198,744.02 and 80,349.66 is: 110,887.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010.48 : 198,744.02 = 80,349.66 : x
  2. Step 2: Convert to fraction form
    144,010.48/198,744.02 = 80,349.66/x
  3. Step 3: Cross multiply
    144,010.48x = 198,744.02 × 80,349.66
  4. Step 4: Simplify right side
    144,010.48x = 15,969,014,434.03
  5. Step 5: Solve for x
    x = 15,969,014,434.03/144,010.48
  6. Step 6: Final answer
    x = 110,887.86

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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.