Home / 141,017.94-194,601.42-77,355.18

Finding the Fourth Proportional to 141,017.94, 194,601.42 and 77,355.18

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Solution

The fourth proportional to 141,017.94, 194,601.42 and 77,355.18 is: 106,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,017.94 : 194,601.42 = 77,355.18 : x
  2. Step 2: Convert to fraction form
    141,017.94/194,601.42 = 77,355.18/x
  3. Step 3: Cross multiply
    141,017.94x = 194,601.42 × 77,355.18
  4. Step 4: Simplify right side
    141,017.94x = 15,053,427,872.36
  5. Step 5: Solve for x
    x = 15,053,427,872.36/141,017.94
  6. Step 6: Final answer
    x = 106,748.32

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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.