Home / 141,140.25-194,775.83-76,610.77

Finding the Fourth Proportional to 141,140.25, 194,775.83 and 76,610.77

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Solution

The fourth proportional to 141,140.25, 194,775.83 and 76,610.77 is: 105,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,140.25 : 194,775.83 = 76,610.77 : x
  2. Step 2: Convert to fraction form
    141,140.25/194,775.83 = 76,610.77/x
  3. Step 3: Cross multiply
    141,140.25x = 194,775.83 × 76,610.77
  4. Step 4: Simplify right side
    141,140.25x = 14,921,925,730.99
  5. Step 5: Solve for x
    x = 14,921,925,730.99/141,140.25
  6. Step 6: Final answer
    x = 105,724.10

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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.