Home / 171,455.19-257,280-92,567.67

Finding the Fourth Proportional to 171,455.19, 257,280 and 92,567.67

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Solution

The fourth proportional to 171,455.19, 257,280 and 92,567.67 is: 138,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,455.19 : 257,280 = 92,567.67 : x
  2. Step 2: Convert to fraction form
    171,455.19/257,280 = 92,567.67/x
  3. Step 3: Cross multiply
    171,455.19x = 257,280 × 92,567.67
  4. Step 4: Simplify right side
    171,455.19x = 23,815,810,137.60
  5. Step 5: Solve for x
    x = 23,815,810,137.60/171,455.19
  6. Step 6: Final answer
    x = 138,903.99

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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.