Home / 141,813.72-195,703.30-77,283.46

Finding the Fourth Proportional to 141,813.72, 195,703.30 and 77,283.46

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Solution

The fourth proportional to 141,813.72, 195,703.30 and 77,283.46 is: 106,651.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,813.72 : 195,703.30 = 77,283.46 : x
  2. Step 2: Convert to fraction form
    141,813.72/195,703.30 = 77,283.46/x
  3. Step 3: Cross multiply
    141,813.72x = 195,703.30 × 77,283.46
  4. Step 4: Simplify right side
    141,813.72x = 15,124,628,157.42
  5. Step 5: Solve for x
    x = 15,124,628,157.42/141,813.72
  6. Step 6: Final answer
    x = 106,651.37

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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.