Home / 141,200.20-194,930.58-87,459.40

Finding the Fourth Proportional to 141,200.20, 194,930.58 and 87,459.40

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Solution

The fourth proportional to 141,200.20, 194,930.58 and 87,459.40 is: 120,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,200.20 : 194,930.58 = 87,459.40 : x
  2. Step 2: Convert to fraction form
    141,200.20/194,930.58 = 87,459.40/x
  3. Step 3: Cross multiply
    141,200.20x = 194,930.58 × 87,459.40
  4. Step 4: Simplify right side
    141,200.20x = 17,048,511,568.45
  5. Step 5: Solve for x
    x = 17,048,511,568.45/141,200.20
  6. Step 6: Final answer
    x = 120,740.00

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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.