Home / 141,037.70-194,637.07-77,377.34

Finding the Fourth Proportional to 141,037.70, 194,637.07 and 77,377.34

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Solution

The fourth proportional to 141,037.70, 194,637.07 and 77,377.34 is: 106,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,037.70 : 194,637.07 = 77,377.34 : x
  2. Step 2: Convert to fraction form
    141,037.70/194,637.07 = 77,377.34/x
  3. Step 3: Cross multiply
    141,037.70x = 194,637.07 × 77,377.34
  4. Step 4: Simplify right side
    141,037.70x = 15,060,498,741.99
  5. Step 5: Solve for x
    x = 15,060,498,741.99/141,037.70
  6. Step 6: Final answer
    x = 106,783.50

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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.