Home / 141,159.58-194,800.37-76,628.78

Finding the Fourth Proportional to 141,159.58, 194,800.37 and 76,628.78

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Solution

The fourth proportional to 141,159.58, 194,800.37 and 76,628.78 is: 105,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.58 : 194,800.37 = 76,628.78 : x
  2. Step 2: Convert to fraction form
    141,159.58/194,800.37 = 76,628.78/x
  3. Step 3: Cross multiply
    141,159.58x = 194,800.37 × 76,628.78
  4. Step 4: Simplify right side
    141,159.58x = 14,927,314,070.00
  5. Step 5: Solve for x
    x = 14,927,314,070.00/141,159.58
  6. Step 6: Final answer
    x = 105,747.80

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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.