Home / 141,903.06-195,827.76-78,243.14

Finding the Fourth Proportional to 141,903.06, 195,827.76 and 78,243.14

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Solution

The fourth proportional to 141,903.06, 195,827.76 and 78,243.14 is: 107,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,903.06 : 195,827.76 = 78,243.14 : x
  2. Step 2: Convert to fraction form
    141,903.06/195,827.76 = 78,243.14/x
  3. Step 3: Cross multiply
    141,903.06x = 195,827.76 × 78,243.14
  4. Step 4: Simplify right side
    141,903.06x = 15,322,178,841.57
  5. Step 5: Solve for x
    x = 15,322,178,841.57/141,903.06
  6. Step 6: Final answer
    x = 107,976.38

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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.