Home / 102,176.93-141,004.16-56,857.83

Finding the Fourth Proportional to 102,176.93, 141,004.16 and 56,857.83

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Solution

The fourth proportional to 102,176.93, 141,004.16 and 56,857.83 is: 78,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,176.93 : 141,004.16 = 56,857.83 : x
  2. Step 2: Convert to fraction form
    102,176.93/141,004.16 = 56,857.83/x
  3. Step 3: Cross multiply
    102,176.93x = 141,004.16 × 56,857.83
  4. Step 4: Simplify right side
    102,176.93x = 8,017,190,751.88
  5. Step 5: Solve for x
    x = 8,017,190,751.88/102,176.93
  6. Step 6: Final answer
    x = 78,463.81

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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.