Home / 171,645.08-257,541.90-92,815.16

Finding the Fourth Proportional to 171,645.08, 257,541.90 and 92,815.16

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Solution

The fourth proportional to 171,645.08, 257,541.90 and 92,815.16 is: 139,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,645.08 : 257,541.90 = 92,815.16 : x
  2. Step 2: Convert to fraction form
    171,645.08/257,541.90 = 92,815.16/x
  3. Step 3: Cross multiply
    171,645.08x = 257,541.90 × 92,815.16
  4. Step 4: Simplify right side
    171,645.08x = 23,903,792,655.20
  5. Step 5: Solve for x
    x = 23,903,792,655.20/171,645.08
  6. Step 6: Final answer
    x = 139,262.91

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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.