Home / 116,540.20-174,810.30-87,015.70

Finding the Fourth Proportional to 116,540.20, 174,810.30 and 87,015.70

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Solution

The fourth proportional to 116,540.20, 174,810.30 and 87,015.70 is: 130,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,540.20 : 174,810.30 = 87,015.70 : x
  2. Step 2: Convert to fraction form
    116,540.20/174,810.30 = 87,015.70/x
  3. Step 3: Cross multiply
    116,540.20x = 174,810.30 × 87,015.70
  4. Step 4: Simplify right side
    116,540.20x = 15,211,240,621.71
  5. Step 5: Solve for x
    x = 15,211,240,621.71/116,540.20
  6. Step 6: Final answer
    x = 130,523.55

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1.5x scale

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.