Home / 141,555.75-195,348.33-77,894.93

Finding the Fourth Proportional to 141,555.75, 195,348.33 and 77,894.93

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Solution

The fourth proportional to 141,555.75, 195,348.33 and 77,894.93 is: 107,495.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,555.75 : 195,348.33 = 77,894.93 : x
  2. Step 2: Convert to fraction form
    141,555.75/195,348.33 = 77,894.93/x
  3. Step 3: Cross multiply
    141,555.75x = 195,348.33 × 77,894.93
  4. Step 4: Simplify right side
    141,555.75x = 15,216,643,514.23
  5. Step 5: Solve for x
    x = 15,216,643,514.23/141,555.75
  6. Step 6: Final answer
    x = 107,495.76

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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.