Home / 173,675.10-239,718.78-102,078.12

Finding the Fourth Proportional to 173,675.10, 239,718.78 and 102,078.12

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Solution

The fourth proportional to 173,675.10, 239,718.78 and 102,078.12 is: 140,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,675.10 : 239,718.78 = 102,078.12 : x
  2. Step 2: Convert to fraction form
    173,675.10/239,718.78 = 102,078.12/x
  3. Step 3: Cross multiply
    173,675.10x = 239,718.78 × 102,078.12
  4. Step 4: Simplify right side
    173,675.10x = 24,470,042,391.09
  5. Step 5: Solve for x
    x = 24,470,042,391.09/173,675.10
  6. Step 6: Final answer
    x = 140,895.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.