Home / 141,219.04-194,885.67-77,558.20

Finding the Fourth Proportional to 141,219.04, 194,885.67 and 77,558.20

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Solution

The fourth proportional to 141,219.04, 194,885.67 and 77,558.20 is: 107,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,219.04 : 194,885.67 = 77,558.20 : x
  2. Step 2: Convert to fraction form
    141,219.04/194,885.67 = 77,558.20/x
  3. Step 3: Cross multiply
    141,219.04x = 194,885.67 × 77,558.20
  4. Step 4: Simplify right side
    141,219.04x = 15,114,981,770.99
  5. Step 5: Solve for x
    x = 15,114,981,770.99/141,219.04
  6. Step 6: Final answer
    x = 107,032.18

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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.