Home / 171,600.04-257,246.92-87,313.06

Finding the Fourth Proportional to 171,600.04, 257,246.92 and 87,313.06

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Solution

The fourth proportional to 171,600.04, 257,246.92 and 87,313.06 is: 130,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,600.04 : 257,246.92 = 87,313.06 : x
  2. Step 2: Convert to fraction form
    171,600.04/257,246.92 = 87,313.06/x
  3. Step 3: Cross multiply
    171,600.04x = 257,246.92 × 87,313.06
  4. Step 4: Simplify right side
    171,600.04x = 22,461,015,760.78
  5. Step 5: Solve for x
    x = 22,461,015,760.78/171,600.04
  6. Step 6: Final answer
    x = 130,891.67

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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.