Home / 143,717.17-198,316.83-80,053.60

Finding the Fourth Proportional to 143,717.17, 198,316.83 and 80,053.60

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Solution

The fourth proportional to 143,717.17, 198,316.83 and 80,053.60 is: 110,466.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,717.17 : 198,316.83 = 80,053.60 : x
  2. Step 2: Convert to fraction form
    143,717.17/198,316.83 = 80,053.60/x
  3. Step 3: Cross multiply
    143,717.17x = 198,316.83 × 80,053.60
  4. Step 4: Simplify right side
    143,717.17x = 15,875,976,182.09
  5. Step 5: Solve for x
    x = 15,875,976,182.09/143,717.17
  6. Step 6: Final answer
    x = 110,466.80

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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.