Home / 141,321.04-195,023.84-76,790.77

Finding the Fourth Proportional to 141,321.04, 195,023.84 and 76,790.77

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Solution

The fourth proportional to 141,321.04, 195,023.84 and 76,790.77 is: 105,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.04 : 195,023.84 = 76,790.77 : x
  2. Step 2: Convert to fraction form
    141,321.04/195,023.84 = 76,790.77/x
  3. Step 3: Cross multiply
    141,321.04x = 195,023.84 × 76,790.77
  4. Step 4: Simplify right side
    141,321.04x = 14,976,029,970.44
  5. Step 5: Solve for x
    x = 14,976,029,970.44/141,321.04
  6. Step 6: Final answer
    x = 105,971.70

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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.