Home / 141,481.38-195,235.62-81,038.17

Finding the Fourth Proportional to 141,481.38, 195,235.62 and 81,038.17

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Solution

The fourth proportional to 141,481.38, 195,235.62 and 81,038.17 is: 111,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,481.38 : 195,235.62 = 81,038.17 : x
  2. Step 2: Convert to fraction form
    141,481.38/195,235.62 = 81,038.17/x
  3. Step 3: Cross multiply
    141,481.38x = 195,235.62 × 81,038.17
  4. Step 4: Simplify right side
    141,481.38x = 15,821,537,303.77
  5. Step 5: Solve for x
    x = 15,821,537,303.77/141,481.38
  6. Step 6: Final answer
    x = 111,827.70

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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.