Home / 141,514.76-195,295.56-77,857.40

Finding the Fourth Proportional to 141,514.76, 195,295.56 and 77,857.40

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Solution

The fourth proportional to 141,514.76, 195,295.56 and 77,857.40 is: 107,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,514.76 : 195,295.56 = 77,857.40 : x
  2. Step 2: Convert to fraction form
    141,514.76/195,295.56 = 77,857.40/x
  3. Step 3: Cross multiply
    141,514.76x = 195,295.56 × 77,857.40
  4. Step 4: Simplify right side
    141,514.76x = 15,205,204,533.14
  5. Step 5: Solve for x
    x = 15,205,204,533.14/141,514.76
  6. Step 6: Final answer
    x = 107,446.07

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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.