Home / 141,107.04-194,730.16-77,450.80

Finding the Fourth Proportional to 141,107.04, 194,730.16 and 77,450.80

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Solution

The fourth proportional to 141,107.04, 194,730.16 and 77,450.80 is: 106,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,107.04 : 194,730.16 = 77,450.80 : x
  2. Step 2: Convert to fraction form
    141,107.04/194,730.16 = 77,450.80/x
  3. Step 3: Cross multiply
    141,107.04x = 194,730.16 × 77,450.80
  4. Step 4: Simplify right side
    141,107.04x = 15,082,006,676.13
  5. Step 5: Solve for x
    x = 15,082,006,676.13/141,107.04
  6. Step 6: Final answer
    x = 106,883.45

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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.