Home / 141,347.87-195,057.80-77,684.30

Finding the Fourth Proportional to 141,347.87, 195,057.80 and 77,684.30

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Solution

The fourth proportional to 141,347.87, 195,057.80 and 77,684.30 is: 107,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,347.87 : 195,057.80 = 77,684.30 : x
  2. Step 2: Convert to fraction form
    141,347.87/195,057.80 = 77,684.30/x
  3. Step 3: Cross multiply
    141,347.87x = 195,057.80 × 77,684.30
  4. Step 4: Simplify right side
    141,347.87x = 15,152,928,093.13
  5. Step 5: Solve for x
    x = 15,152,928,093.13/141,347.87
  6. Step 6: Final answer
    x = 107,203.09

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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.