Home / 171,740.16-257,515.20-59,359.68

Finding the Fourth Proportional to 171,740.16, 257,515.20 and 59,359.68

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Solution

The fourth proportional to 171,740.16, 257,515.20 and 59,359.68 is: 89,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,740.16 : 257,515.20 = 59,359.68 : x
  2. Step 2: Convert to fraction form
    171,740.16/257,515.20 = 59,359.68/x
  3. Step 3: Cross multiply
    171,740.16x = 257,515.20 × 59,359.68
  4. Step 4: Simplify right side
    171,740.16x = 15,286,019,867.14
  5. Step 5: Solve for x
    x = 15,286,019,867.14/171,740.16
  6. Step 6: Final answer
    x = 89,006.67

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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.