Home / 141,157.48-194,797.66-77,499.38

Finding the Fourth Proportional to 141,157.48, 194,797.66 and 77,499.38

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Solution

The fourth proportional to 141,157.48, 194,797.66 and 77,499.38 is: 106,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,157.48 : 194,797.66 = 77,499.38 : x
  2. Step 2: Convert to fraction form
    141,157.48/194,797.66 = 77,499.38/x
  3. Step 3: Cross multiply
    141,157.48x = 194,797.66 × 77,499.38
  4. Step 4: Simplify right side
    141,157.48x = 15,096,697,875.45
  5. Step 5: Solve for x
    x = 15,096,697,875.45/141,157.48
  6. Step 6: Final answer
    x = 106,949.33

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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.