Home / 144,028.13-198,729.14-82,762.48

Finding the Fourth Proportional to 144,028.13, 198,729.14 and 82,762.48

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Solution

The fourth proportional to 144,028.13, 198,729.14 and 82,762.48 is: 114,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.13 : 198,729.14 = 82,762.48 : x
  2. Step 2: Convert to fraction form
    144,028.13/198,729.14 = 82,762.48/x
  3. Step 3: Cross multiply
    144,028.13x = 198,729.14 × 82,762.48
  4. Step 4: Simplify right side
    144,028.13x = 16,447,316,474.67
  5. Step 5: Solve for x
    x = 16,447,316,474.67/144,028.13
  6. Step 6: Final answer
    x = 114,195.17

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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.