Home / 141,159.20-194,799.85-76,628.41

Finding the Fourth Proportional to 141,159.20, 194,799.85 and 76,628.41

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Solution

The fourth proportional to 141,159.20, 194,799.85 and 76,628.41 is: 105,747.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,159.20 : 194,799.85 = 76,628.41 : x
  2. Step 2: Convert to fraction form
    141,159.20/194,799.85 = 76,628.41/x
  3. Step 3: Cross multiply
    141,159.20x = 194,799.85 × 76,628.41
  4. Step 4: Simplify right side
    141,159.20x = 14,927,202,095.17
  5. Step 5: Solve for x
    x = 14,927,202,095.17/141,159.20
  6. Step 6: Final answer
    x = 105,747.28

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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.