Home / 143,693.33-198,302.88-80,031.11

Finding the Fourth Proportional to 143,693.33, 198,302.88 and 80,031.11

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Solution

The fourth proportional to 143,693.33, 198,302.88 and 80,031.11 is: 110,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,693.33 : 198,302.88 = 80,031.11 : x
  2. Step 2: Convert to fraction form
    143,693.33/198,302.88 = 80,031.11/x
  3. Step 3: Cross multiply
    143,693.33x = 198,302.88 × 80,031.11
  4. Step 4: Simplify right side
    143,693.33x = 15,870,398,611.08
  5. Step 5: Solve for x
    x = 15,870,398,611.08/143,693.33
  6. Step 6: Final answer
    x = 110,446.32

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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.