Home / 141,372.13-195,093.75-77,710.32

Finding the Fourth Proportional to 141,372.13, 195,093.75 and 77,710.32

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Solution

The fourth proportional to 141,372.13, 195,093.75 and 77,710.32 is: 107,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.13 : 195,093.75 = 77,710.32 : x
  2. Step 2: Convert to fraction form
    141,372.13/195,093.75 = 77,710.32/x
  3. Step 3: Cross multiply
    141,372.13x = 195,093.75 × 77,710.32
  4. Step 4: Simplify right side
    141,372.13x = 15,160,797,742.50
  5. Step 5: Solve for x
    x = 15,160,797,742.50/141,372.13
  6. Step 6: Final answer
    x = 107,240.36

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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.