Home / 141,635.17-195,431.70-85,047.76

Finding the Fourth Proportional to 141,635.17, 195,431.70 and 85,047.76

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Solution

The fourth proportional to 141,635.17, 195,431.70 and 85,047.76 is: 117,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,635.17 : 195,431.70 = 85,047.76 : x
  2. Step 2: Convert to fraction form
    141,635.17/195,431.70 = 85,047.76/x
  3. Step 3: Cross multiply
    141,635.17x = 195,431.70 × 85,047.76
  4. Step 4: Simplify right side
    141,635.17x = 16,621,028,317.99
  5. Step 5: Solve for x
    x = 16,621,028,317.99/141,635.17
  6. Step 6: Final answer
    x = 117,351.00

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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.