Home / 141,339.97-195,051.05-76,810.48

Finding the Fourth Proportional to 141,339.97, 195,051.05 and 76,810.48

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Solution

The fourth proportional to 141,339.97, 195,051.05 and 76,810.48 is: 105,999.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339.97 : 195,051.05 = 76,810.48 : x
  2. Step 2: Convert to fraction form
    141,339.97/195,051.05 = 76,810.48/x
  3. Step 3: Cross multiply
    141,339.97x = 195,051.05 × 76,810.48
  4. Step 4: Simplify right side
    141,339.97x = 14,981,965,210.84
  5. Step 5: Solve for x
    x = 14,981,965,210.84/141,339.97
  6. Step 6: Final answer
    x = 105,999.50

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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.