Home / 141,814.52-195,708.14-78,156.42

Finding the Fourth Proportional to 141,814.52, 195,708.14 and 78,156.42

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Solution

The fourth proportional to 141,814.52, 195,708.14 and 78,156.42 is: 107,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,814.52 : 195,708.14 = 78,156.42 : x
  2. Step 2: Convert to fraction form
    141,814.52/195,708.14 = 78,156.42/x
  3. Step 3: Cross multiply
    141,814.52x = 195,708.14 × 78,156.42
  4. Step 4: Simplify right side
    141,814.52x = 15,295,847,587.26
  5. Step 5: Solve for x
    x = 15,295,847,587.26/141,814.52
  6. Step 6: Final answer
    x = 107,858.12

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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.