Home / 130,086.60-194,903.10-59,821.80

Finding the Fourth Proportional to 130,086.60, 194,903.10 and 59,821.80

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Solution

The fourth proportional to 130,086.60, 194,903.10 and 59,821.80 is: 89,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,086.60 : 194,903.10 = 59,821.80 : x
  2. Step 2: Convert to fraction form
    130,086.60/194,903.10 = 59,821.80/x
  3. Step 3: Cross multiply
    130,086.60x = 194,903.10 × 59,821.80
  4. Step 4: Simplify right side
    130,086.60x = 11,659,454,267.58
  5. Step 5: Solve for x
    x = 11,659,454,267.58/130,086.60
  6. Step 6: Final answer
    x = 89,628.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.