Home / 170,078.05-255,153.98-51,746.32

Finding the Fourth Proportional to 170,078.05, 255,153.98 and 51,746.32

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Solution

The fourth proportional to 170,078.05, 255,153.98 and 51,746.32 is: 77,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,078.05 : 255,153.98 = 51,746.32 : x
  2. Step 2: Convert to fraction form
    170,078.05/255,153.98 = 51,746.32/x
  3. Step 3: Cross multiply
    170,078.05x = 255,153.98 × 51,746.32
  4. Step 4: Simplify right side
    170,078.05x = 13,203,277,963.85
  5. Step 5: Solve for x
    x = 13,203,277,963.85/170,078.05
  6. Step 6: Final answer
    x = 77,630.70

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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.